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Spartan ABM
Spartan
Spartan
Credit: © Mark Wade
American anti-ballistic missile evolved from the Nike Zeus and designed to intercept ICBM warheads in space. Three stage vehicle consisting of 1 x TX-500 + 1 x TX-454 + 1 x TX-239 solid propellant motors. Nearly as large and just as costly as the missiles it was designed to intercept. After 20 years of development, deployment was limited by arms agreements, and 30 were only briefly in service in 1975-1976.

AKA: 3 stage vehicle consisting of 1 x TX-500 + 1 x TX-454 + 1 x TX-239;LIM-49A;Spartan;W71. Status: Retired 1975. First Launch: 1968-03-30. Last Launch: 1975-04-17. Number: 42 . Payload: 2,270 kg (5,000 lb). Thrust: 2,000.00 kN (449,600 lbf). Gross mass: 12,995 kg (28,649 lb). Height: 16.83 m (55.21 ft). Diameter: 1.07 m (3.51 ft). Span: 2.99 m (9.80 ft). Apogee: 560 km (340 mi).

In September 1967, the unaffordable Nike-X program for comprehensive anti-ballistic missile protection of the United States was cancelled and replaced by the thinner and more affordable Sentinel system. This was in turn replaced by the even more affordable Safeguard in 1969, designed only to protect ICBM fields and Washington DC. At the time of Sentinel the evolved Nike Zeus missile was renamed Spartan. First launch was in March 1968, and Spartan achieved its first intercept of a Minuteman ICBM in August 1970. However 1972 arms limitation negotiations with the Soviet Union allowed each side only one ABM site with 100 missiles. Accordingly, on 1 October 1975, a single Safeguard ABM site with 30 Spartan and 70 Sprint missiles went on-line in North Dakota. It was ordered deactivated by the US Congress the next day, and closed six-months later, ending America's first thirty-year effort to obtain a ballistic missile defense system.

Spartan was an all-solid propellant, command guided missile nearly as large and costly as the ICBM's it was built to intercept (this was a major argument against it the adversary could always counter it by building more ICBM's at less expense than the multiple ABM's necessary to kill them). Spartan's specialized W71 thermonuclear warhead was tuned to use neutron flux to disable the nuclear warheads of incoming enemy missiles.

Development Cost $: 322.000 million. Recurring Price $: 18.007 million in 1969 dollars. Flyaway Unit Cost 1985$: 3.000 million in 1969 dollars. Maximum range: 740 km (450 mi). Number Standard Warheads: 1. Standard warhead: W71. Warhead yield: 5,000 KT. Boost Propulsion: Solid rocket. Initial Operational Capability: 1975. Total Number Built: 55. Total Development Built: 25. Total Production Built: 30.

Historical Essay © Andreas Parsch

Western Electric-McDonnell-Douglas LIM-49 Nike Zeus-SpartanOn 18 September 1967, the Nike-X was cancelled and replaced by a system called Sentinel, which was to be a much thinner (and therefore cheaper!) ABM defense shield. At the same time, Nike Zeus EX was renamed Spartan, and the prime contract was now shared between Western Electric and McDonnell-Douglas. The Spartan missile received the designation LIM-49A. The short-range, endo-atmospheric missile component of Sentinel was the Martin Orlando Sprint.

The LIM-49A Spartan was stored in and launched from underground silos, and the first Spartan launch occured in March 1968. In August 1970, an LGM-30 Minuteman RV was intercepted for the first time. In 1969, however, the Sentinel system had been cancelled, and replaced by Safeguard, an ABM system planned to defend only SAC's ICBM bases, and not the cities of the United States. The SALT I treaty of 1972, and a 1974 addendum, limited even this to one site with 100 ABMs. On 1 October 1975, the U.S.'s one and only Safeguard ABM site became operational with 30 Spartan and 70 Sprint missiles. However, because the very limited defense offered by a single ABM site did not warrant the costs, the site was deactivated by Congress the next day.

The designations of the various Nike Zeus, Nike-X and Spartan missiles are a bit confusing. Many sources say that the Nike Zeus A received the designation XLIM-49A in 1963, although development had stopped in 1960, and Nike Zeus B became XLIM-49B, although it had almost nothing in common with the XLIM-49A. However, the Department of Defense document [3], which is the "official" list of DOD aircraft and missile designators, describes the XLIM-49A as a three-stage intercept missile. Unfortunately, the name is given as Nike Zeus, without an A or B suffix, but "three-stage" clearly points to the Nike Zeus B. If this is true (and why shouldn't it), the designation LIM-49A for the Spartan would make a lot more sense, because Spartan was indeed a modified-improved Zeus B, but had nothing in common with the Nike Zeus A. Zeus A itself had received no designation in this case, which is quite logical, because it didn't exist anymore in 1963.

Further adding to the ABM designation confusion is that all my sources say the short-range Sprint did not receive any LIM-n designation, and the existence of the very little-known XLIM-99A and XLIM-100A designations, allocated by the U.S. Army in 1972. Whether one or both of the LIM-99-100 designators is related to the Spartan and-or Sprint missiles, I don't know.

Specifications

Note: Data given by several sources show slight variations. Figures given below may therefore be inaccurate!

Data for Nike Zeus A-B and LIM-49A:

  Nike Zeus A Nike Zeus B (XLIM-49A) LIM-49A
Length 13.5 m (44 ft 3 in) 14.7 m (48 ft 4 in) 16.8 m (55 ft 2 in)
Span 2.98 m (117.6 in) 2.44 m (96 in) 2.98 m (117.6 in)
Diameter 0.91 m (36 in) 1.09 m (43.1 in)
Weight 4980 kg (11000 lb) 10300 kg (22800 lb) 13100 kg (29000 lb)
Speed > Mach 4
Ceiling ? 280 km (174 miles) 560 km (350 miles)
Range 320 km (200 miles) 400 km (250 miles) 740 km (460 miles)
Propulsion Two solid-fuel rocket stages
1st stage: Thiokol TX-135; 1800 kN (400000 lb)
2nd stage: ?
Three solid-fuel rocket stages
1st stage: Thiokol TX-135; 2000 kN (450000 lb)
2nd stage: Thiokol TX-238
3rd stage: Thiokol TX-239
Three solid-fuel rocket stages
1st stage: Thiokol TX-500; 2200 kN (500000 lb)
2nd stage: Thiokol TX-454
3rd stage: Thiokol TX-239
Warhead W-31 nuclear (20 kT) W-50 thermonuclear (400 kT) W-71 thermonuclear (5 MT)
Main Sources

[1] James N. Gibson: "Nuclear Weapons of the United States", Schiffer Publishing Ltd, 1996
[2] Bill Gunston: "The Illustrated Encyclopedia of Rockets and Missiles", Salamander Books Ltd, 1979
[3] DOD: "Model Designation of Military Aircraft, Rockets and Missiles", 7-1964, 1-1965, 7-1965




Subtopics

Nike Zeus A American anti-ballistic missile. Two stage vehicle consisting of 1 x TX-135 + 1 x Zeus A

Nike Zeus 3 American anti-ballistic missile. Three stage vehicle consisting of 1 x TX-135 + 1 x TX-238 + 1 x TX-239

Nike Zeus American anti-ballistic missile. First anti-ballistic missile tested by US. Prototypes were deployed operationally from the mid-Pacific test base as nuclear-tipped ASAT missiles. Cancelled 1966; replaced by the Spartan missile.

Safeguard American anti-ballistic missile. Safeguard ABM system consisted of Sprint and Spartan missiles

Family: anti-ballistic, silo-launched. Country: USA. Launch Sites: Kwajalein, Kwajalein Meck. Stages: TX-239, TX-454, TX-500. Agency: Western Electric. Bibliography: 2.
Photo Gallery

SpartanSpartan
Credit: via Andreas Parsch



1959 August 26 - . 17:35 GMT - . Launch Site: White Sands. Launch Complex: White Sands LC38. LV Family: Spartan ABM. Launch Vehicle: Nike Zeus A. FAILURE: Failure.
  • Test mission - . Nation: USA. Agency: US Army. Apogee: 0 km (0 mi).

1959 October 14 - . 16:30 GMT - . Launch Site: White Sands. Launch Complex: White Sands LC38. LV Family: Spartan ABM. Launch Vehicle: Nike Zeus A.
  • Test mission - . Nation: USA. Agency: US Army. Apogee: 50 km (31 mi).

1959 December 16 - . Launch Site: White Sands. Launch Complex: White Sands LC38. LV Family: Spartan ABM. Launch Vehicle: Nike Zeus A. FAILURE: Failure.
  • Test mission - . Nation: USA. Agency: US Army. Apogee: 10 km (6 mi).

1960 February 3 - . Launch Site: White Sands. Launch Complex: White Sands LC94. Launch Pad: FIX?. LV Family: Spartan ABM. Launch Vehicle: Nike Zeus A.
  • Test mission - . Nation: USA. Agency: US Army. Apogee: 50 km (31 mi).

1960 March 9 - . Launch Site: White Sands. Launch Complex: White Sands LC38. LV Family: Spartan ABM. Launch Vehicle: Nike Zeus A.
  • Test mission - . Nation: USA. Agency: US Army. Apogee: 50 km (31 mi).

1960 April 28 - . 14:50 GMT - . Launch Site: White Sands. Launch Complex: White Sands LC38. LV Family: Spartan ABM. Launch Vehicle: Nike Zeus A.
  • First Silo launch - . Nation: USA. Agency: US Army. Apogee: 150 km (90 mi).

1960 May 25 - . Launch Site: White Sands. Launch Complex: White Sands LC38. LV Family: Spartan ABM. Launch Vehicle: Nike Zeus A.
  • Test mission - . Nation: USA. Agency: US Army. Apogee: 50 km (31 mi).

1960 June 22 - . Launch Site: White Sands. Launch Complex: White Sands LC38. LV Family: Spartan ABM. Launch Vehicle: Nike Zeus A. FAILURE: Failure.
  • Test mission - . Nation: USA. Agency: US Army. Apogee: 0 km (0 mi).

1960 August 10 - . Launch Site: White Sands. Launch Complex: White Sands LC38. LV Family: Spartan ABM. Launch Vehicle: Nike Zeus.
  • First Tactical launch - . Nation: USA. Agency: US Army. Apogee: 150 km (90 mi).

1960 October 1 - . Launch Site: White Sands. Launch Complex: White Sands LC38. LV Family: Spartan ABM. Launch Vehicle: Nike Zeus.
  • Test mission - . Nation: USA. Agency: US Army. Apogee: 150 km (90 mi).

1960 December 1 - . Launch Site: White Sands. Launch Complex: White Sands LC38. LV Family: Spartan ABM. Launch Vehicle: Nike Zeus.
  • Test mission - . Nation: USA. Agency: US Army. Apogee: 150 km (90 mi).

1960 December 1 - . Launch Site: White Sands. Launch Complex: White Sands LC38. LV Family: Spartan ABM. Launch Vehicle: Nike Zeus.
  • Guidance test - . Nation: USA. Agency: US Army. Apogee: 150 km (90 mi).

1961 Q1 - . Launch Site: White Sands. Launch Complex: White Sands LC38. LV Family: Spartan ABM. Launch Vehicle: Nike Zeus.
  • Nation: USA. Agency: US Army. Apogee: 150 km (90 mi).

1961 January 31 - . Launch Site: White Sands. Launch Complex: White Sands LC38. LV Family: Spartan ABM. Launch Vehicle: Nike Zeus.
  • Nation: USA. Agency: US Army. Apogee: 5.00 km (3.10 mi).

1961 April 26 - . Launch Site: White Sands. Launch Complex: White Sands LC38. LV Family: Spartan ABM. Launch Vehicle: Nike Zeus.
  • Zeus A? - . Nation: USA. Agency: US Army. Apogee: 5.00 km (3.10 mi).

1961 May 25 - . Launch Site: White Sands. Launch Complex: White Sands LC38. LV Family: Spartan ABM. Launch Vehicle: Nike Zeus.
  • Test mission - . Nation: USA. Agency: US Army. Apogee: 150 km (90 mi).

1961 June 23 - . 23:40 GMT - . Launch Site: White Sands. Launch Complex: White Sands LC38. LV Family: Spartan ABM. Launch Vehicle: Nike Zeus.
  • Test mission - . Nation: USA. Agency: US Army. Apogee: 150 km (90 mi).

1961 Q3 - . Launch Site: White Sands. Launch Complex: White Sands LC38. LV Family: Spartan ABM. Launch Vehicle: Nike Zeus.
  • Test mission - . Nation: USA. Agency: US Army. Apogee: 150 km (90 mi).

1961 Q3 - . Launch Site: White Sands. Launch Complex: White Sands LC38. LV Family: Spartan ABM. Launch Vehicle: Nike Zeus.
  • Test mission - . Nation: USA. Agency: US Army. Apogee: 150 km (90 mi).

1961 Q3? - . Launch Site: White Sands. Launch Complex: White Sands LC38. LV Family: Spartan ABM. Launch Vehicle: Nike Zeus.
  • Nation: USA. Agency: US Army. Apogee: 40 km (24 mi).

1961 Q3 - . Launch Site: White Sands. Launch Complex: White Sands LC38. LV Family: Spartan ABM. Launch Vehicle: Nike Zeus.
  • Nation: USA. Agency: US Army. Apogee: 40 km (24 mi).

1961 July 26 - . Launch Site: White Sands. Launch Complex: White Sands LC38. LV Family: Spartan ABM. Launch Vehicle: Nike Zeus.
  • Test mission - . Nation: USA. Agency: US Army. Apogee: 150 km (90 mi).

1961 August 31 - . Launch Site: White Sands. Launch Complex: White Sands LC38. LV Family: Spartan ABM. Launch Vehicle: Nike Zeus.
  • New mainstage test - . Nation: USA. Agency: US Army. Apogee: 150 km (90 mi).

1961 September 6 - . Launch Site: White Sands. Launch Complex: White Sands LC38. LV Family: Spartan ABM. Launch Vehicle: Nike Zeus.
  • Nation: USA. Agency: US Army. Apogee: 40 km (24 mi).

1961 September 9 - . 20:02 GMT - . Launch Site: Point Mugu. LV Family: Spartan ABM. Launch Vehicle: Nike Zeus. FAILURE: Failure.
  • PM-1 test - . Nation: USA. Agency: US Army. Apogee: 1.00 km (0.60 mi).

1961 September 15 - . Launch Site: White Sands. Launch Complex: White Sands LC38. LV Family: Spartan ABM. Launch Vehicle: Nike Zeus.
  • Test mission - . Nation: USA. Agency: US Army. Apogee: 40 km (24 mi).

1961 September 21 - . Launch Site: White Sands. Launch Complex: White Sands LC38. LV Family: Spartan ABM. Launch Vehicle: Nike Zeus.
  • Nation: USA. Agency: US Army. Apogee: 40 km (24 mi).

1961 Q4? - . Launch Site: White Sands. Launch Complex: White Sands LC38. LV Family: Spartan ABM. Launch Vehicle: Nike Zeus.
  • Nation: USA. Agency: US Army. Apogee: 40 km (24 mi).

1961 October 7 - . 20:03 GMT - . Launch Site: Point Mugu. LV Family: Spartan ABM. Launch Vehicle: Nike Zeus. FAILURE: Failure.
  • PM-2 test - . Nation: USA. Agency: US Army. Apogee: 3.00 km (1.80 mi).

1961 Nov 7? - . Launch Site: White Sands. Launch Complex: White Sands LC38. LV Family: Spartan ABM. Launch Vehicle: Nike Zeus.
  • Nation: USA. Agency: US Army. Apogee: 40 km (24 mi).

1961 November 15 - . Launch Site: White Sands. Launch Complex: White Sands LC38. LV Family: Spartan ABM. Launch Vehicle: Nike Zeus.
  • Test mission - . Nation: USA. Agency: US Army. Apogee: 150 km (90 mi).

1961 November 15 - . Launch Site: White Sands. Launch Complex: White Sands LC38. LV Family: Spartan ABM. Launch Vehicle: Nike Zeus.
  • Test mission - . Nation: USA. Agency: US Army. Apogee: 150 km (90 mi).

1961 November 16 - . 20:37 GMT - . Launch Site: Point Mugu. LV Family: Spartan ABM. Launch Vehicle: Nike Zeus.
  • PM-3 Dummy St 3 - . Nation: USA. Agency: US Army. Apogee: 150 km (90 mi).

1961 November 21 - . 19:00 GMT - . Launch Site: Point Mugu. LV Family: Spartan ABM. Launch Vehicle: Nike Zeus.
  • PM-4 Dummy St 3 - . Nation: USA. Agency: US Army. Apogee: 150 km (90 mi).

1961 November 30 - . Launch Site: White Sands. Launch Complex: White Sands LC38. LV Family: Spartan ABM. Launch Vehicle: Nike Zeus.
  • First suc 3-stage - . Nation: USA. Agency: US Army. Apogee: 150 km (90 mi).

1961 Dec 4? - . Launch Site: White Sands. Launch Complex: White Sands LC38. LV Family: Spartan ABM. Launch Vehicle: Nike Zeus.
  • Nation: USA. Agency: US Army. Apogee: 40 km (24 mi).

1961 Dec 8? - . Launch Site: White Sands. Launch Complex: White Sands LC38. LV Family: Spartan ABM. Launch Vehicle: Nike Zeus.
  • Nation: USA. Agency: US Army. Apogee: 40 km (24 mi).

1961 December 14 - . 20:00 GMT - . Launch Site: Kwajalein. LV Family: Spartan ABM. Launch Vehicle: Nike Zeus.
  • KMR-1 - . Nation: USA. Agency: US Army. Apogee: 150 km (90 mi).

1961 December 14 - . 20:26 GMT - . Launch Site: Point Mugu. LV Family: Spartan ABM. Launch Vehicle: Nike Zeus.
  • PM-5 test - . Nation: USA. Agency: US Army. Apogee: 150 km (90 mi).

1961 December 14 - . 21:00 GMT - . Launch Site: White Sands. Launch Complex: White Sands LC38. LV Family: Spartan ABM. Launch Vehicle: Nike Zeus.
  • Hercules intercept - . Nation: USA. Agency: US Army. Apogee: 40 km (24 mi).

1962 Q1? - . Launch Site: Kwajalein. LV Family: Spartan ABM. Launch Vehicle: Nike Zeus.
  • Nation: USA. Agency: US Army. Apogee: 80 km (49 mi).

1962 - . Launch Site: Point Mugu. LV Family: Spartan ABM. Launch Vehicle: Nike Zeus.
  • PM-6 test - . Nation: USA. Agency: US Army. Apogee: 150 km (90 mi).

1962 January 18 - . Launch Site: White Sands. LV Family: Spartan ABM. Launch Vehicle: Nike Zeus.
  • Test mission - . Nation: USA. Agency: US Army. Apogee: 150 km (90 mi).

1962 January 25 - . 22:02 GMT - . Launch Site: Point Mugu. LV Family: Spartan ABM. Launch Vehicle: Nike Zeus.
  • PM-7 Sim target - . Nation: USA. Agency: US Army. Apogee: 150 km (90 mi).

1962 February 1 - . Launch Site: White Sands. Launch Complex: White Sands LC38. LV Family: Spartan ABM. Launch Vehicle: Nike Zeus.
  • 3 stage control test - . Nation: USA. Agency: US Army. Apogee: 150 km (90 mi).

1962 February 7 - . Launch Site: White Sands. Launch Complex: White Sands LC38. LV Family: Spartan ABM. Launch Vehicle: Nike Zeus.
  • Test mission - . Nation: USA. Agency: US Army. Apogee: 150 km (90 mi).

1962 February 12 - . Launch Site: Point Mugu. LV Family: Spartan ABM. Launch Vehicle: Nike Zeus. FAILURE: Failure.
  • PM-8 Dummy St 3? - . Nation: USA. Agency: US Army. Apogee: 10 km (6 mi).

1962 February 23 - . Launch Site: White Sands. Launch Complex: White Sands LC38. LV Family: Spartan ABM. Launch Vehicle: Nike Zeus.
  • Nation: USA. Agency: US Army. Apogee: 50 km (31 mi).

1962 March 5 - . Launch Site: Kwajalein. LV Family: Spartan ABM. Launch Vehicle: Nike Zeus.
  • KMR-2 Sim target - . Nation: USA. Agency: US Army. Apogee: 150 km (90 mi).

1962 March 9 - . 00:16 GMT - . Launch Site: Point Mugu. LV Family: Spartan ABM. Launch Vehicle: Nike Zeus. FAILURE: Failure.
  • PM-9 test - . Nation: USA. Agency: US Army. Apogee: 10 km (6 mi).

1962 March 13 - . Launch Site: White Sands. Launch Complex: White Sands LC38. LV Family: Spartan ABM. Launch Vehicle: Nike Zeus.
  • Simulated target - . Nation: USA. Agency: US Army. Apogee: 150 km (90 mi).

1962 March 13 - . Launch Site: White Sands. Launch Complex: White Sands LC38. LV Family: Spartan ABM. Launch Vehicle: Nike Zeus.
  • Simulated target - . Nation: USA. Agency: US Army. Apogee: 150 km (90 mi).

1962 March 28 - . Launch Site: White Sands. Launch Complex: White Sands LC38. LV Family: Spartan ABM. Launch Vehicle: Nike Zeus.
  • Hercules intercept - . Nation: USA. Agency: US Army. Apogee: 40 km (24 mi).

1962 Q2? - . Launch Site: Kwajalein. LV Family: Spartan ABM. Launch Vehicle: Nike Zeus.
  • Nation: USA. Agency: US Army. Apogee: 80 km (49 mi).

1962 Q2? - . Launch Site: Kwajalein. LV Family: Spartan ABM. Launch Vehicle: Nike Zeus.
  • Nation: USA. Agency: US Army. Apogee: 80 km (49 mi).

1962 April 5 - . Launch Site: White Sands. Launch Complex: White Sands LC38. LV Family: Spartan ABM. Launch Vehicle: Nike Zeus.
  • Simulated target - . Nation: USA. Agency: US Army. Apogee: 150 km (90 mi).

1962 April 12 - . Launch Site: Point Mugu. LV Family: Spartan ABM. Launch Vehicle: Nike Zeus.
  • PM-10? 3-stage test - . Nation: USA. Agency: US Army. Apogee: 200 km (120 mi).

1962 April 19 - . Launch Site: Point Mugu. LV Family: Spartan ABM. Launch Vehicle: Nike Zeus. FAILURE: Failure.
  • PM-11? Sim target - . Nation: USA. Agency: US Army. Apogee: 10 km (6 mi).

1962 April 27 - . Launch Site: White Sands. Launch Complex: White Sands LC38. LV Family: Spartan ABM. Launch Vehicle: Nike Zeus.
  • Test mission - . Nation: USA. Agency: US Army. Apogee: 200 km (120 mi).

1962 April 30 - . Launch Site: White Sands. Launch Complex: White Sands LC38. LV Family: Spartan ABM. Launch Vehicle: Nike Zeus.
  • Simulated target - . Nation: USA. Agency: US Army. Apogee: 200 km (120 mi).

1962 May 9 - . 22:08 GMT - . Launch Site: Point Mugu. LV Family: Spartan ABM. Launch Vehicle: Nike Zeus. FAILURE: Failure.
  • PM-12 test - . Nation: USA. Agency: US Army. Apogee: 50 km (31 mi).

1962 May 12? - . Launch Site: White Sands. Launch Complex: White Sands LC38. LV Family: Spartan ABM. Launch Vehicle: Nike Zeus.
  • Nation: USA. Agency: US Army. Apogee: 50 km (31 mi).

1962 May 26 - . 18:04 GMT - . Launch Site: Point Mugu. LV Family: Spartan ABM. Launch Vehicle: Nike Zeus.
  • PM-13 Altitude test - . Nation: USA. Agency: US Army. Apogee: 200 km (120 mi).

1962 June 26 - . 11:30 GMT - . Launch Site: Kwajalein. LV Family: Spartan ABM. Launch Vehicle: Nike Zeus. FAILURE: Failure.
  • First launch of an Army Nike-Zeus from Kwajalein - . Nation: USA. Agency: US Army. Apogee: 10 km (6 mi). First launch of an Army Nike-Zeus from Kwajalein against an Atlas from Vandenberg AFB..

1962 July 16 - . Launch Site: White Sands. Launch Complex: White Sands LC38. LV Family: Spartan ABM. Launch Vehicle: Nike Zeus.
  • Requal test - . Nation: USA. Agency: US Army. Apogee: 200 km (120 mi).

1962 July 19 - . 11:35 GMT - . Launch Site: Kwajalein. LV Family: Spartan ABM. Launch Vehicle: Nike Zeus.
  • K-2 Atlas Intercept - . Nation: USA. Agency: US Army. Apogee: 200 km (120 mi).

1962 July 31 - . Launch Site: White Sands. Launch Complex: White Sands LC38. LV Family: Spartan ABM. Launch Vehicle: Nike Zeus.
  • Nation: USA. Agency: US Army. Apogee: 50 km (31 mi).

1962 August 25 - . Launch Site: Point Mugu. LV Family: Spartan ABM. Launch Vehicle: Nike Zeus. FAILURE: Failure.
  • PM-14 test - . Nation: USA. Agency: US Army. Apogee: 100 km (60 mi).

1962 August 28 - . Launch Site: White Sands. Launch Complex: White Sands LC38. LV Family: Spartan ABM. Launch Vehicle: Nike Zeus.
  • Test mission - . Nation: USA. Agency: US Army. Apogee: 200 km (120 mi).

1962 September 27 - . Launch Site: White Sands. Launch Complex: White Sands LC38. LV Family: Spartan ABM. Launch Vehicle: Nike Zeus.
  • Simulated target - . Nation: USA. Agency: US Army. Apogee: 200 km (120 mi).

1962 October 24 - . 19:00 GMT - . Launch Site: Point Mugu. LV Family: Spartan ABM. Launch Vehicle: Nike Zeus. FAILURE: Failure.
  • PM-15 test - . Nation: USA. Agency: US Army. Apogee: 50 km (31 mi).

1962 November 8 - . Launch Site: White Sands. Launch Complex: White Sands LC38. LV Family: Spartan ABM. Launch Vehicle: Nike Zeus.
  • Test mission - . Nation: USA. Agency: US Army. Apogee: 200 km (120 mi).

1962 November 9 - . 03:12 GMT - . Launch Site: Point Mugu. LV Family: Spartan ABM. Launch Vehicle: Nike Zeus.
  • PM-16? sim target - . Nation: USA. Agency: US Army. Apogee: 200 km (120 mi).

1962 November 28 - . 23:25 GMT - . Launch Site: Point Mugu. LV Family: Spartan ABM. Launch Vehicle: Nike Zeus.
  • PM-17? St3 guidance - . Nation: USA. Agency: US Army. Apogee: 200 km (120 mi).

1962 November 29 - . Launch Site: White Sands. Launch Complex: White Sands LC38. LV Family: Spartan ABM. Launch Vehicle: Nike Zeus.
  • Simulated target - . Nation: USA. Agency: US Army. Apogee: 200 km (120 mi).

1962 December 8 - . 21:20 GMT - . Launch Site: Point Mugu. LV Family: Spartan ABM. Launch Vehicle: Nike Zeus.
  • ZM-18 - . Nation: USA. Agency: US Army. Apogee: 50 km (31 mi).

1962 December 12 - . 12:10 GMT - . Launch Site: Kwajalein. LV Family: Spartan ABM. Launch Vehicle: Nike Zeus.
  • K-6 Atlas Intercept - . Nation: USA. Agency: US Army. Apogee: 200 km (120 mi).

1962 December 12 - . 12:10 GMT - . Launch Site: Kwajalein. LV Family: Spartan ABM. Launch Vehicle: Nike Zeus. FAILURE: Failure.
  • K-6 Salvo - . Nation: USA. Agency: US Army. Apogee: 10 km (6 mi).

1962 December 19 - . 21:51 GMT - . Launch Site: Point Mugu. LV Family: Spartan ABM. Launch Vehicle: Nike Zeus.
  • PM-19/Eniwetok - . Nation: USA. Agency: US Army. Apogee: 200 km (120 mi).

1962 December 22 - . 10:00 GMT - . Launch Site: Kwajalein. LV Family: Spartan ABM. Launch Vehicle: Nike Zeus. FAILURE: Failure.
  • K-7 Salvo - . Nation: USA. Agency: US Army. Apogee: 10 km (6 mi).

1962 December 22 - . 10:00 GMT - . Launch Site: Kwajalein. LV Family: Spartan ABM. Launch Vehicle: Nike Zeus.
  • K-7 Atlas Intercept - . Nation: USA. Agency: US Army. Apogee: 200 km (120 mi).

1963? - . Launch Site: Kwajalein. LV Family: Spartan ABM. Launch Vehicle: Nike Zeus.
  • Nation: USA. Agency: US Army. Apogee: 80 km (49 mi).

1963? - . Launch Site: Kwajalein. LV Family: Spartan ABM. Launch Vehicle: Nike Zeus.
  • Nation: USA. Agency: US Army. Apogee: 80 km (49 mi).

1963 February 6 - . Launch Site: White Sands. LV Family: Spartan ABM. Launch Vehicle: Nike Zeus.
  • Rail launch test - . Nation: USA. Agency: US Army. Apogee: 50 km (31 mi).

1963 February 13 - . 12:30 GMT - . Launch Site: Kwajalein. LV Family: Spartan ABM. Launch Vehicle: Nike Zeus.
  • K-8 Atlas Intercept - . Nation: USA. Agency: US Army. Apogee: 200 km (120 mi).

1963 February 20 - . Launch Site: White Sands. Launch Complex: White Sands LC38. LV Family: Spartan ABM. Launch Vehicle: Nike Zeus.
  • Test mission - . Nation: USA. Agency: US Army. Apogee: 200 km (120 mi).

1963 February 28 - . 09:30 GMT - . Launch Site: Kwajalein. LV Family: Spartan ABM. Launch Vehicle: Nike Zeus.
  • K-10 Atlas Intercept - . Nation: USA. Agency: US Army. Apogee: 200 km (120 mi).

1963 March 30 - . Launch Site: Kwajalein. LV Family: Spartan ABM. Launch Vehicle: Nike Zeus.
  • K-17 Titan Intercept - . Nation: USA. Agency: US Army. Apogee: 200 km (120 mi).

1963 Q2? - . Launch Site: Kwajalein. LV Family: Spartan ABM. Launch Vehicle: Nike Zeus.
  • Nation: USA. Agency: US Army. Apogee: 70 km (43 mi).

1963 Q2? - . Launch Site: Kwajalein. LV Family: Spartan ABM. Launch Vehicle: Nike Zeus.
  • Nation: USA. Agency: US Army. Apogee: 70 km (43 mi).

1963 Q2? - . Launch Site: White Sands. Launch Complex: White Sands LC38. LV Family: Spartan ABM. Launch Vehicle: Nike Zeus.
  • Nation: USA. Agency: US Army. Apogee: 50 km (31 mi).

1963 Q2? - . Launch Site: White Sands. Launch Complex: White Sands LC38. LV Family: Spartan ABM. Launch Vehicle: Nike Zeus.
  • Nation: USA. Agency: US Army. Apogee: 50 km (31 mi).

1963 Q2? - . Launch Site: White Sands. Launch Complex: White Sands LC38. LV Family: Spartan ABM. Launch Vehicle: Nike Zeus.
  • Nation: USA. Agency: US Army. Apogee: 50 km (31 mi).

1963 April 13 - . Launch Site: Kwajalein. LV Family: Spartan ABM. Launch Vehicle: Nike Zeus.
  • K-21 Titan Intercept - . Nation: USA. Agency: US Army. Apogee: 200 km (120 mi).

1963 April 18 - . Launch Site: White Sands. Launch Complex: White Sands LC38. LV Family: Spartan ABM. Launch Vehicle: Nike Zeus.
  • Test mission - . Nation: USA. Agency: US Army. Apogee: 200 km (120 mi).

1963 April 24 - . Launch Site: White Sands. Launch Complex: White Sands LC38. LV Family: Spartan ABM. Launch Vehicle: Nike Zeus.
  • Test mission - . Nation: USA. Agency: US Army. Apogee: 200 km (120 mi).

1963 May 10 - . Launch Site: White Sands. Launch Complex: White Sands LC38. LV Family: Spartan ABM. Launch Vehicle: Nike Zeus. FAILURE: Failure.
  • Test mission - . Nation: USA. Agency: US Army. Apogee: 20 km (12 mi).

1963 May 31 - . Launch Site: White Sands. LV Family: Spartan ABM. Launch Vehicle: Nike Zeus.
  • Nation: USA. Agency: US Army. Apogee: 50 km (31 mi).

1963 June 5 - . Launch Site: White Sands. Launch Complex: White Sands LC38. LV Family: Spartan ABM. Launch Vehicle: Nike Zeus.
  • Test mission - . Nation: USA. Agency: US Army. Apogee: 200 km (120 mi).

1963 June 12 - . 09:30 GMT - . Launch Site: Kwajalein. LV Family: Spartan ABM. Launch Vehicle: Nike Zeus.
  • K-15 Atlas Intercept - . Nation: USA. Agency: US Army. Apogee: 200 km (120 mi).

1963 July 1 - . Launch Site: White Sands. Launch Complex: White Sands LC38. LV Family: Spartan ABM. Launch Vehicle: Nike Zeus.
  • Test mission - . Nation: USA. Agency: US Army. Apogee: 200 km (120 mi).

1963 July 3 - . Launch Site: White Sands. Launch Complex: White Sands LC38. LV Family: Spartan ABM. Launch Vehicle: Nike Zeus.
  • Test mission - . Nation: USA. Agency: US Army. Apogee: 200 km (120 mi).

1963 July 3 - . Launch Site: Kwajalein. LV Family: Spartan ABM. Launch Vehicle: Nike Zeus.
  • K-23 Atlas Intercept - . Nation: USA. Agency: US Army. Apogee: 200 km (120 mi).

1963 July 26 - . Launch Site: White Sands. Launch Complex: White Sands LC38. LV Family: Spartan ABM. Launch Vehicle: Nike Zeus.
  • Nike X R&D test - . Nation: USA. Agency: US Army. Apogee: 200 km (120 mi).

1963 August 8 - . Launch Site: White Sands. Launch Complex: White Sands LC38. LV Family: Spartan ABM. Launch Vehicle: Nike Zeus.
  • Test mission - . Nation: USA. Agency: US Army. Apogee: 200 km (120 mi).

1963 August 15 - . Launch Site: Kwajalein. LV Family: Spartan ABM. Launch Vehicle: Nike Zeus.
  • K-26 Titan Intercept - . Nation: USA. Agency: US Army. Apogee: 200 km (120 mi).

1963 August 24 - . Launch Site: Kwajalein. LV Family: Spartan ABM. Launch Vehicle: Nike Zeus.
  • K-28 Atlas Intercept - . Nation: USA. Agency: US Army. Apogee: 200 km (120 mi).

1963 September 20 - . Launch Site: Kwajalein. LV Family: Spartan ABM. Launch Vehicle: Nike Zeus.
  • Nation: USA. Agency: US Army. Apogee: 80 km (49 mi).

1963 October 8 - . Launch Site: Kwajalein. LV Family: Spartan ABM. Launch Vehicle: Nike Zeus.
  • Nation: USA. Agency: US Army. Apogee: 80 km (49 mi).

1963 Oct 11? - . Launch Site: White Sands. Launch Complex: White Sands LC38. LV Family: Spartan ABM. Launch Vehicle: Nike Zeus.
  • Nation: USA. Agency: US Army. Apogee: 50 km (31 mi).

1963 October 23 - . Launch Site: White Sands. Launch Complex: White Sands LC38. LV Family: Spartan ABM. Launch Vehicle: Nike Zeus.
  • Nation: USA. Agency: US Army. Apogee: 200 km (120 mi).

1963 November 1 - . Launch Site: White Sands. Launch Complex: White Sands LC38. LV Family: Spartan ABM. Launch Vehicle: Nike Zeus.
  • Test mission - . Nation: USA. Agency: US Army. Apogee: 200 km (120 mi).

1963 November 12 - . Launch Site: Kwajalein. LV Family: Spartan ABM. Launch Vehicle: Nike Zeus.
  • Nation: USA. Agency: US Army. Apogee: 80 km (49 mi).

1963 November 14 - . Launch Site: Kwajalein. LV Family: Spartan ABM. Launch Vehicle: Nike Zeus.
  • K-24 Titan Intercept - . Nation: USA. Agency: US Army. Apogee: 200 km (120 mi).

1963 November 20 - . Launch Site: Kwajalein. LV Family: Spartan ABM. Launch Vehicle: Nike Zeus.
  • Nation: USA. Agency: US Army. Apogee: 80 km (49 mi).

1963 November 27 - . Launch Site: Kwajalein. LV Family: Spartan ABM. Launch Vehicle: Nike Zeus.
  • Nation: USA. Agency: US Army. Apogee: 80 km (49 mi).

1963 December 11 - . Launch Site: White Sands. Launch Complex: White Sands LC38. LV Family: Spartan ABM. Launch Vehicle: Nike Zeus.
  • Nike X R&D, last WS test - . Nation: USA. Agency: US Army. Apogee: 200 km (120 mi).

1964 Feb? - . Launch Site: Kwajalein. LV Family: Spartan ABM. Launch Vehicle: Nike Zeus.
  • Nation: USA. Agency: US Army. Apogee: 80 km (49 mi).

1964 Feb 18? - . Launch Site: Kwajalein. LV Family: Spartan ABM. Launch Vehicle: Nike Zeus.
  • Nation: USA. Agency: US Army. Apogee: 80 km (49 mi).

1964 Mar? - . Launch Site: Kwajalein. LV Family: Spartan ABM. Launch Vehicle: Nike Zeus.
  • Nation: USA. Agency: US Army. Apogee: 80 km (49 mi).

1964 Mar? - . Launch Site: Kwajalein. LV Family: Spartan ABM. Launch Vehicle: Nike Zeus.
  • Nation: USA. Agency: US Army. Apogee: 80 km (49 mi).

1964 Apr? - . Launch Site: Kwajalein. LV Family: Spartan ABM. Launch Vehicle: Nike Zeus.
  • Nation: USA. Agency: US Army. Apogee: 80 km (49 mi).

1964 May? - . Launch Site: Kwajalein. LV Family: Spartan ABM. Launch Vehicle: Nike Zeus.
  • Nation: USA. Agency: US Army. Apogee: 80 km (49 mi).

1964 May? - . Launch Site: Kwajalein. LV Family: Spartan ABM. Launch Vehicle: Nike Zeus.
  • Nation: USA. Agency: US Army. Apogee: 80 km (49 mi).

1964 May? - . Launch Site: Kwajalein. LV Family: Spartan ABM. Launch Vehicle: Nike Zeus.
  • Nation: USA. Agency: US Army. Apogee: 80 km (49 mi).

1964 Jun? - . Launch Site: Kwajalein. LV Family: Spartan ABM. Launch Vehicle: Nike Zeus.
  • Nation: USA. Agency: US Army. Apogee: 80 km (49 mi).

1964 Jun? - . Launch Site: Kwajalein. LV Family: Spartan ABM. Launch Vehicle: Nike Zeus.
  • Nation: USA. Agency: US Army. Apogee: 80 km (49 mi).

1964 Jun? - . Launch Site: Kwajalein. LV Family: Spartan ABM. Launch Vehicle: Nike Zeus.
  • Nation: USA. Agency: US Army. Apogee: 80 km (49 mi).

1964 July 9 - . Launch Site: Kwajalein. LV Family: Spartan ABM. Launch Vehicle: Nike Zeus.
  • Sim Target Intercept - . Nation: USA. Agency: US Army. Apogee: 80 km (49 mi).

1964 July 9 - . Launch Site: Kwajalein. LV Family: Spartan ABM. Launch Vehicle: Nike Zeus.
  • Sim Target Intercept - . Nation: USA. Agency: US Army. Apogee: 70 km (43 mi).

1964 Q4? - . Launch Site: Kwajalein. LV Family: Spartan ABM. Launch Vehicle: Nike Zeus.
  • Nation: USA. Agency: US Army. Apogee: 80 km (49 mi).

1964 Q4? - . Launch Site: Kwajalein. LV Family: Spartan ABM. Launch Vehicle: Nike Zeus.
  • Nation: USA. Agency: US Army. Apogee: 80 km (49 mi).

1964 December 9 - . Launch Site: White Sands. Launch Complex: White Sands LC38. LV Family: Spartan ABM. Launch Vehicle: Nike Zeus.
  • Special Comms Round - . Nation: USA. Agency: US Army. Apogee: 50 km (31 mi).

1965? - . Launch Site: Kwajalein. LV Family: Spartan ABM. Launch Vehicle: Nike Zeus.
  • Nation: USA. Agency: US Army. Apogee: 80 km (49 mi).

1965 January 30 - . Launch Site: Kwajalein. LV Family: Spartan ABM. Launch Vehicle: Nike Zeus.
  • Sim SLBM Target - . Nation: USA. Agency: US Army. Apogee: 80 km (49 mi).

1965 January 30 - . Launch Site: Kwajalein. LV Family: Spartan ABM. Launch Vehicle: Nike Zeus.
  • Sim SLBM Target - . Nation: USA. Agency: US Army. Apogee: 80 km (49 mi).

1965 March 1 - . Launch Site: Kwajalein. LV Family: Spartan ABM. Launch Vehicle: Nike Zeus.
  • Simulated target - . Nation: USA. Agency: US Army. Apogee: 200 km (120 mi).

1965 March 1 - . Launch Site: Kwajalein. LV Family: Spartan ABM. Launch Vehicle: Nike Zeus.
  • Simulated target - . Nation: USA. Agency: US Army. Apogee: 200 km (120 mi).

1968 March 30 - . Launch Site: Kwajalein. Launch Complex: Kwajalein Meck. Launch Vehicle: Spartan ABM.
  • KT-1 - . Nation: USA. Agency: US Army. Apogee: 100 km (60 mi).

1968 May 22 - . Launch Site: Kwajalein. Launch Complex: Kwajalein Meck. Launch Vehicle: Spartan ABM.
  • KT-2 - . Nation: USA. Agency: US Army. Apogee: 100 km (60 mi).

1968 August 7 - . Launch Site: Kwajalein. Launch Complex: Kwajalein Meck. Launch Vehicle: Spartan ABM.
  • KT-3 - . Nation: USA. Agency: US Army. Apogee: 50 km (31 mi).

1968 September 16 - . Launch Site: Kwajalein. Launch Complex: Kwajalein Meck. Launch Vehicle: Spartan ABM. FAILURE: Failure.
  • KT-4 - . Nation: USA. Agency: US Army. Apogee: 2.00 km (1.20 mi).

1968 November 21 - . Launch Site: Kwajalein. Launch Complex: Kwajalein Meck. Launch Vehicle: Spartan ABM. FAILURE: Failure.
  • KT-5 - . Nation: USA. Agency: US Army. Apogee: 2.00 km (1.20 mi).

1969 February 6 - . Launch Site: Kwajalein. Launch Complex: Kwajalein Meck. Launch Vehicle: Spartan ABM.
  • KT-6 - . Nation: USA. Agency: US Army. Apogee: 50 km (31 mi).

1969 April 25 - . Launch Site: Kwajalein. Launch Complex: Kwajalein Meck. Launch Vehicle: Spartan ABM.
  • KT-7 - . Nation: USA. Agency: US Army. Apogee: 100 km (60 mi).

1969 May 18 - . Launch Site: Kwajalein. Launch Complex: Kwajalein Meck. Launch Vehicle: Spartan ABM.
  • KT-8 - . Nation: USA. Agency: US Army. Apogee: 400 km (240 mi).

1969 June 4 - . Launch Site: Kwajalein. Launch Complex: Kwajalein Meck. Launch Vehicle: Spartan ABM. FAILURE: Failure.
  • KT-9 - . Nation: USA. Agency: US Army. Apogee: 1.00 km (0.60 mi).

1969 July 16 - . Launch Site: Kwajalein. Launch Complex: Kwajalein Meck. Launch Vehicle: Spartan ABM.
  • KT-10 test - . Nation: USA. Agency: US Army. Apogee: 100 km (60 mi).

1969 July 31 - . Launch Site: Kwajalein. Launch Complex: Kwajalein Meck. Launch Vehicle: Spartan ABM.
  • KT-11 test - . Nation: USA. Agency: US Army. Apogee: 50 km (31 mi).

1969 August 13 - . Launch Site: Kwajalein. Launch Complex: Kwajalein Meck. Launch Vehicle: Spartan ABM. FAILURE: Failure.
  • KT-12 test - . Nation: USA. Agency: US Army. Apogee: 0 km (0 mi).

1969 October 17 - . Launch Site: Kwajalein. Launch Complex: Kwajalein Meck. Launch Vehicle: Spartan ABM.
  • KT-13 test - . Nation: USA. Agency: US Army. Apogee: 50 km (31 mi).

1969 November 25 - . Launch Site: Kwajalein. Launch Complex: Kwajalein Meck. Launch Vehicle: Spartan ABM.
  • KT-14 test - . Nation: USA. Agency: US Army. Apogee: 50 km (31 mi).

1969 December 15 - . Launch Site: Kwajalein. Launch Complex: Kwajalein Meck. Launch Vehicle: Spartan ABM.
  • KT-15 test - . Nation: USA. Agency: US Army. Apogee: 100 km (60 mi).

1970 April 14 - . Launch Site: Kwajalein. Launch Complex: Kwajalein Meck. Launch Vehicle: Spartan ABM. FAILURE: Failure.
  • Safeguard M1-1 Interceptor mission - . Nation: USA. Agency: US Army. Apogee: 100 km (60 mi).

1970 June 24 - . Launch Site: Kwajalein. Launch Complex: Kwajalein Meck. Launch Vehicle: Spartan ABM.
  • Safeguard M1-1A Interceptor mission - . Nation: USA. Agency: US Army. Apogee: 100 km (60 mi).

1970 August 28 - . Launch Site: Kwajalein. Launch Complex: Kwajalein Meck. Launch Vehicle: Spartan ABM.
  • Safeguard M1-4 Interceptor mission - . Nation: USA. Agency: US Army. Apogee: 100 km (60 mi).

1970 October 3 - . Launch Site: Kwajalein. Launch Complex: Kwajalein Meck. Launch Vehicle: Spartan ABM.
  • Safeguard M1-27 Interceptor mission - . Nation: USA. Agency: US Army. Apogee: 100 km (60 mi).

1971 January 11 - . Launch Site: Kwajalein. Launch Complex: Kwajalein Meck. Launch Vehicle: Spartan ABM.
  • SAFEGUARD M1-30 Interceptor mission - . Nation: USA. Agency: US Army. Apogee: 100 km (60 mi).

1971 January 11 - . Launch Site: Kwajalein. Launch Complex: Kwajalein Meck. Launch Vehicle: Spartan ABM.
  • SAFEGUARD M1-30 Interceptor mission - . Nation: USA. Agency: US Army. Apogee: 100 km (60 mi).

1971 April 21 - . Launch Site: Kwajalein. Launch Complex: Kwajalein Meck. Launch Vehicle: Spartan ABM.
  • Safeguard M1-7A Interceptor mission - . Nation: USA. Agency: US Army. Apogee: 100 km (60 mi).

1971 August 27 - . Launch Site: Kwajalein. Launch Complex: Kwajalein Meck. Launch Vehicle: Spartan ABM.
  • Safeguard M2-1 Interceptor mission - . Nation: USA. Agency: US Army. Apogee: 123 km (76 mi).

1971 September 23 - . Launch Site: Kwajalein. Launch Complex: Kwajalein Meck. Launch Vehicle: Spartan ABM. FAILURE: Failure.
  • Safeguard M1-14A Interceptor mission - . Nation: USA. Agency: US Army. Apogee: 10 km (6 mi).

1971 December 8 - . Launch Site: Kwajalein. Launch Complex: Kwajalein Meck. Launch Vehicle: Spartan ABM.
  • Safeguard M2-3 Interceptor mission - . Nation: USA. Agency: US Army. Apogee: 148 km (91 mi).

1972 January 20 - . Launch Site: Kwajalein. Launch Complex: Kwajalein Meck. Launch Vehicle: Spartan ABM.
  • Safeguard M2-6 Interceptor mission - . Nation: USA. Agency: US Army. Apogee: 88 km (54 mi).

1972 March 30 - . Launch Site: Kwajalein. Launch Complex: Kwajalein Meck. Launch Vehicle: Spartan ABM.
  • Safeguard M2-9 Interceptor mission - . Nation: USA. Agency: US Army. Apogee: 130 km (80 mi).

1972 June 9 - . Launch Site: Kwajalein. Launch Complex: Kwajalein Meck. Launch Vehicle: Spartan ABM.
  • Isolated Rail test - . Nation: USA. Agency: US Army. Apogee: 1.00 km (0.60 mi).

1972 June 23 - . Launch Site: Kwajalein. Launch Complex: Kwajalein Meck. Launch Vehicle: Spartan ABM.
  • Safeguard M2-19 Interceptor mission - . Nation: USA. Agency: US Army. Apogee: 70 km (43 mi).

1972 August 3 - . Launch Site: Kwajalein. Launch Complex: Kwajalein Meck. Launch Vehicle: Spartan ABM.
  • Safeguard M2-34 Interceptor mission - . Nation: USA. Agency: US Army. Apogee: 100 km (60 mi).

1972 October 26 - . Launch Site: Kwajalein. Launch Complex: Kwajalein Meck. Launch Vehicle: Spartan ABM.
  • Safeguard M2-12 Interceptor mission - . Nation: USA. Agency: US Army. Apogee: 100 km (60 mi).

1972 November 3 - . Launch Site: Kwajalein. Launch Complex: Kwajalein Meck. Launch Vehicle: Spartan ABM.
  • Safeguard M2-40 Interceptor mission - . Nation: USA. Agency: US Army. Apogee: 50 km (31 mi).

1973 January 25 - . Launch Site: Kwajalein. Launch Complex: Kwajalein Meck. Launch Vehicle: Spartan ABM.
  • Safeguard M2-26 Interceptor mission - . Nation: USA. Agency: US Army. Apogee: 150 km (90 mi).

1973 February 3 - . Launch Site: Kwajalein. Launch Complex: Kwajalein Meck. Launch Vehicle: Spartan ABM.
  • Safeguard M2-43 Interceptor mission - . Nation: USA. Agency: US Army. Apogee: 100 km (60 mi).

1973 April 24 - . LV Family: Spartan ABM. Launch Vehicle: Safeguard.
  • The Boeing Company was awarded a contract to continue launch services and integration support for the Army's Safeguard System Test Targets Program (SSTTP). - .

1973 June 22 - . Launch Site: Kwajalein. Launch Complex: Kwajalein Meck. Launch Vehicle: Spartan ABM.
  • SAFEGUARD M2-45 Interceptor mission - . Nation: USA. Agency: US Army. Apogee: 340 km (210 mi).

1973 June 22 - . Launch Site: Kwajalein. Launch Complex: Kwajalein Meck. Launch Vehicle: Spartan ABM.
  • SAFEGUARD M2-45 Interceptor mission - . Nation: USA. Agency: US Army. Apogee: 347 km (215 mi).

1974 January 22 - . Launch Site: Kwajalein. Launch Complex: Kwajalein Meck. Launch Vehicle: Spartan ABM. FAILURE: Failure.
  • Safeguard M2-245 Interceptor mission - . Nation: USA. Agency: US Army. Apogee: 20 km (12 mi).

1974 July 18 - . Launch Site: Kwajalein. Launch Complex: Kwajalein Meck. Launch Vehicle: Spartan ABM.
  • Safeguard TRM-133 Interceptor mission - . Nation: USA. Agency: US Army. Apogee: 100 km (60 mi).

1974 September 20 - . Launch Site: Kwajalein. Launch Complex: Kwajalein Meck. Launch Vehicle: Spartan ABM.
  • Safeguard M2-245A Interceptor mission - . Nation: USA. Agency: US Army. Apogee: 100 km (60 mi).

1974 November 1 - . Launch Site: Kwajalein. Launch Complex: Kwajalein Meck. Launch Vehicle: Spartan ABM.
  • Safeguard M2-445 Interceptor mission - . Nation: USA. Agency: US Army. Apogee: 100 km (60 mi).

1975 April 3 - . Launch Site: Kwajalein. Launch Complex: Kwajalein Meck. Launch Vehicle: Spartan ABM.
  • Safeguard M2-345 Interceptor mission - . Nation: USA. Agency: US Army. Apogee: 100 km (60 mi).

1975 April 17 - . Launch Site: Kwajalein. Launch Complex: Kwajalein Meck. Launch Vehicle: Spartan ABM.
  • Safeguard M2-545 Interceptor mission - . Nation: USA. Agency: US Army. Apogee: 100 km (60 mi).


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