Encyclopedia Astronautica
Peacekeeper



m118.jpg
Peacekeeper
Credit: via Andreas Parsch
American intercontinental ballistic missile. 10 nuclear MIRV warheads. In service 1986-2004.

The Peacekeeper was supposed to replace both the 54 Titan 2 and 1000 Minuteman ICBM's in US service. However concepts changed continually in an attempt to get around the vulnerability of fixed missile siloes to increasingly-accurate Soviet ICBM's. Many different approaches were considered over five presidential administrations. After a long design and development process that went vastly over budget, only 50 were deployed in 1986-1988 to replace the Titan 2. These were in service for 16 years before being decommissioned under post-cold-war arms reduction agreements.

Concept studies began in 1966 for a new ICBM deployable in both fixed and mobile schemes under the WS-120A Advanced ICBM project. This was succeeded in April 1972 by Missile-X (MX) studies. After considering various mobile launch schemes, including air-launch, the decision was finally taken in 1977 to develop a ‘silo stuffer' four-stage solid propellant ICBM that could was the largest that could be fitted in existing Minuteman siloes. Decisions on mobile versions could wait. The new ICBM adopted Soviet design concepts. It would be transported and placed in the silo in a launch canister, from which it would be ‘cold launched' - popped out of the silo using a cold gas generator before the first stage ignited. This allowed the missile silo to be reloaded with a new missile in a few days (versus 17 days to refurbish a Minuteman silo after a launch). In April - May 1978, contracts were issued to Martin Marietta for development of the missile and to Thiokol, Aerojet, Hercules, and Rocketdyne for the rocket engines for the four stages. The US Congress however refused to fund development until the USAF selected a mobile basing scheme.

In September 1979, the USAF selected a ‘shell game' basing scheme involving hiding 200 missiles somewhere in 4600 soft shelters. It was presumed that Soviet planners would have to target all 4600 shelters to wipe out the force. This decision allowed full-scale development to begin. By January 1982 prototypes of all of the rocket stages and simulated cold launches had been tested. But the mobile basing scheme had been dropped by the USAF in 1980 because of its high cost. In early 1983, after Congressional threats of cancellation, it was decided that Peacekeeper would be deployed in Minuteman silos, initially as a Titan replacement, and that a smaller mobile ICBM would be developed for the mobile basing requirement (the Midgetman). The first Peacekeeper canister cold launch took place in June 1983, and the missile was deployed in 1986-1988 to 50 modified Minuteman silos. These remained in service until destroyed in 2004 under the Start II Treaty. A 1986 plan to deploy 50 additional Peacekeeper missiles on 25 special USAF trains was cancelled in 1991 after the end of the Cold War. Midgetman was cancelled as well, and the Minuteman was to continue in service as America's only remaining ICBM until at least 2030.

Failures: 2. Success Rate: 96.08%. First Fail Date: 1989-09-14. Last Fail Date: 2001-07-27. Launch data is: complete. Development Cost $: 10,926.800 million. Recurring Price $: 77.877 million in 1982 dollars. Flyaway Unit Cost $: 77.398 million in 1982 dollars. Guidance contractor: Boeing. Standard warhead: 3,600 kg (7,900 lb). Maximum range: 13,000 km (8,000 mi). Number Standard Warheads: 10. Standard RV: Mk. 12A. Standard warhead: W87. Warhead yield: 300 KT. Boost Propulsion: Solid rocket. Initial Operational Capability: 1987. Total Number Built: 226.

Historical Essay © Andreas Parsch

Martin Marietta LGM-118 Peacekeeper

The Peacekeeper (originally known as "MX" missile) is the newest ICBM in the USAF inventory. It was intended as a replacement for the LGM-30 Minuteman, but it suffered from a long development time, and will actually be retired before the Minuteman because of arms reduction treaties.

As early as 1966, the USAF made plans to develop an Advanced ICBM (AICBM) including a mobile basing system. AICBM was known as Weapon System 120A, but development was not approved by the Secretary of Defense. Research on a new ICBM did not begin again until November 1971, and in April 1972, the USAF announced a new ICBM program, then known as Missile-X (MX). The initial studies researched all kinds of missiles and basing schemes, including air-launch from modified transport aircraft. The Air Force was always intending to deploy a mobile ICBM, but to avoid unnecessary delays, it was finally decided to design a large solid-fueled missile which would initially be launched from existing Minuteman silos. At a later date, a mobile basing system would be developed. In 1977 the basic design for the MX was finalized. It was to become a four-stage missile, using some advanced technologies, like a "cold launch" capability, in which the missile would be ejected from the launch silo by a gas jet before igniting its first stage motor. This would greatly reduce the damage to the silo, reducing the silo rearming effort to a few days by three men (compared to 17 days by 20 men for a Minuteman silo). However, the U.S. Congress was not pleased with the idea of using Minuteman silos (regarded as too vulnerable), and halted MX development for one year to give the USAF time to select a mobile basing system. Nevertheless, in April and May 1978, Martin Marietta was awarded the prime contract for the MX missile, and Thiokol, Aerojet, Hercules, and Rocketdyne received contracts for the 1st, 2nd, 3rd, and 4th stage engine, respectively.

By 1979, the USAF had decided to employ the MPS (Mobile Protective Shelters) plan, in which 200 MX missiles would be shuttled around between 4600 soft shelters. With the placement of dummy missiles in the unused shelters, the Soviet Union wouldn't know where the real missiles would be at any given time, and theoretically would have to attack every shelter to destroy every missile for sure. The alternate "Racetrack" plan, which was to base the missile on railways on huge underground track networks, was dropped. The MPS was approved in September 1979, and full-scale development of the MX began. At that time, the designation MGM-118A was allocated to the MX missile. Initial development was quick, and by January 1982, all major components, including all rocket stages and the cold launch method had been separately tested.

However, because of very high estimated costs, the MPS was cancelled in 1980, and by 1982, Peacekeeper (the name having been assigned in November 1982) was again close to cancellation because of the lack of a mobile basing system. In early 1983, it was finally decided to base Peacekeeper in Minuteman silos, and to develop a small mobile ICBM at a later time (this was to become the MGM-134 Midgetman, which was eventually cancelled, too). Because the missile was no longer planned to be mobile, the designation was changed to LGM-118A. In June 1983, the first full Peacekeeper launch from a launch canister occurred. After more test launches in the following years, the first few LGM-118A missiles became operational in modified Minuteman silos in December 1986. Peacekeeper deployment was complete in December 1988, when 50 LGM-118As were in silos.

The LGM-118A uses a warhead section with 10 MK.21 reentry vehicles, each carrying a 300 kT W-87 thermonuclear warhead. The missile is guided by an Inertial Reference Sphere navigation system by Rockwell Autonetics, and is more accurate than any previous ICBM, reaching 120 m (400 ft) CEP. When stored in its launching canister and launched by the high-pressure gas jet, the missile is separated from the canister walls by many small "adaptors" mounted to the side of the missile. When the canister is cleared, these adaptors fall away, giving the characteristic picture of a Peacekeeper launch.

In 1986, the so-called "Peacekeeper Rail Garrison" plan was approved. In this scheme, 50 additional Peacekeeper missiles would be based on 25 special USAF trains, with each train consisting of two missile cars, two locomotives, and additional cars for launch control, security, and fuel. The designation MGM-118A was again allocated to these mobile missiles, but the whole plan was cancelled in 1991 after the end of the Cold War.

With the signing of the Strategic Arms Reduction Treaty (START) II in January 1993, Peacekeeper became a dead program. START II demanded the removal of all MIRV ICBMs, and it is currently planned to phase out all LGM-118A missiles until 2004. After that date, the LGM-30 Minuteman will remain the only U.S. land-based ICBM. When production was completed, about 100 LGM-118A missiles had been built.

Specifications

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

Data for LGM-118A:

Length 21.6 m (71 ft)
Diameter 2.34 m (7 ft 8 in)
Weight 88300 kg (195000 lb)
Speed 24100 km-h (15000 mph)
Ceiling 800 km (500 miles)
Range 10900+ km (6800+ miles)
Propulsion 1st stage: Thiokol solid-fuel rocket; 2200 kN (500000 lb)
2nd stage: Aerojet solid-fuel rocket
3rd stage: Hercules solid-fuel rocket
4th stage (post-boost): Rocketdyne restartable liquid-fuel rocket
Warhead 10x W-87 thermonuclear (300 kT) in 10x Mk.21 MIRV
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


AKA: MX; LGM-118A; Peacekeeper.
Status: Retired 2005.
Gross mass: 88,430 kg (194,950 lb).
Payload: 3,600 kg (7,900 lb).
Height: 21.60 m (70.80 ft).
Diameter: 2.34 m (7.67 ft).
Span: 2.34 m (7.67 ft).
Thrust: 1,711.00 kN (384,648 lbf).
Apogee: 1,000 km (600 mi).
First Launch: 1983.06.18.
Last Launch: 2004.07.21.
Number: 51 .

More... - Chronology...


Associated Countries
Associated Engines
  • RS-34 Rocketdyne N2O4/MMH rocket engine. 11.7 kN. Peacekeeper Postboost Axial Thrust. Pressure-fed. 1 main axial thruster per postboost propulsion system. Isp=308s. First flight 1983. More...
  • RS-34 Attitude Control Rocketdyne Lox/Kerosene rocket engine. 0.304 kN. Peacekeeper Postboost Attitude Control. Pressure-fed. 8 attitude thrusters in each postboost propulsion system. Isp=255s. First flight 1983. More...

See also
  • missile Guided self-propelled military weapon (as opposed to rocket, an unguided self-propelled weapon). More...

Associated Manufacturers and Agencies
  • Martin American manufacturer of rockets, spacecraft, and rocket engines. Martin Marietta Astronautics Group (1956), Denver, CO, USA. More...

Bibliography
  • McDowell, Jonathan, Jonathan's Space Home Page (launch records), Harvard University, 1997-present. Web Address when accessed: here.

Associated Launch Sites
  • Vandenberg Vandenberg Air Force Base is located on the Central Coast of California about 240 km northwest of Los Angeles. It is used for launches of unmanned government and commercial satellites into polar orbit and intercontinental ballistic missile test launches toward the Kwajalein Atoll. More...
  • Vandenberg LF08 Minuteman, Peacekeeper, Astrid launch silo. Originally a Minuteman 394 SMS silo. Upgraded for use as a Launch Facility in 1964, and later again modified to launch the Peacekeeper. More...
  • Vandenberg LF05 Minuteman, Peacekeeper launch silo. Originally a Minuteman 394 SMS silo. Upgraded for use as a Launch Facility in 1964. More...
  • Vandenberg LF02 Minuteman, Peacekeeper launch silo. Originally a Minuteman 394 SMS silo. Upgraded for use as a Launch Facility in 1964, and later again modified to launch the Peacekeeper. More...

Associated Stages
  • Peacekeeper-1 Solid rocket stage. 1711.00 kN (384,648 lbf) thrust. Mass 53,400 kg (117,727 lb). More...
  • Peacekeeper-2 Solid rocket stage. 1365.00 kN (306,864 lbf) thrust. Mass 27,800 kg (61,289 lb). More...
  • Peacekeeper-3 Solid rocket stage. 329.00 kN (73,962 lbf) thrust. Mass 8,200 kg (18,078 lb). More...

Peacekeeper Chronology


1983 June 18 - . 02:10 GMT - . Launch Site: Vandenberg. Launch Complex: Vandenberg TP-01. Launch Vehicle: Peacekeeper. LV Configuration: Peacekeeper FTM-1.
  • 6 RVs to BOA-KMR - . Nation: USA. Agency: USAF AFSC. Apogee: 1,000 km (600 mi).

1983 October 14 - . Launch Site: Vandenberg. Launch Complex: Vandenberg TP-01. Launch Vehicle: Peacekeeper. LV Configuration: Peacekeeper FTM-2.
  • 6 RVs to BOA-KMR - . Nation: USA. Agency: USAF AFSC. Apogee: 1,000 km (600 mi).

1983 December 20 - . Launch Site: Vandenberg. Launch Complex: Vandenberg TP-01. Launch Vehicle: Peacekeeper. LV Configuration: Peacekeeper FTM-3.
  • 8 RVs to BOA-Guam - . Nation: USA. Agency: USAF AFSC. Apogee: 1,000 km (600 mi).

1984 March 30 - . Launch Site: Vandenberg. Launch Complex: Vandenberg TP-01. Launch Vehicle: Peacekeeper. LV Configuration: Peacekeeper FTM-4.
  • 10 RVs sent to KMR impact area. - . Nation: USA. Agency: USAF AFSC. Apogee: 1,000 km (600 mi).

1984 June 15 - . 16:50 GMT - . Launch Site: Vandenberg. Launch Complex: Vandenberg TP-01. Launch Vehicle: Peacekeeper. LV Configuration: Peacekeeper FTM-5.
  • 6 RVs to KMR(1 Mk21) - . Nation: USA. Agency: USAF AFSC. Apogee: 1,000 km (600 mi).

1984 October 1 - . Launch Site: Vandenberg. Launch Complex: Vandenberg TP-01. Launch Vehicle: Peacekeeper. LV Configuration: Peacekeeper FTM-6.
  • RVs to KMR - . Nation: USA. Agency: USAF AFSC. Apogee: 1,000 km (600 mi).

1985 February 1 - . Launch Site: Vandenberg. Launch Complex: Vandenberg TP-01. Launch Vehicle: Peacekeeper. LV Configuration: Peacekeeper FTM-7.
  • 6 RVs Test - . Nation: USA. Agency: USAF AFSC. Apogee: 1,000 km (600 mi).

1985 June 3 - . Launch Site: Vandenberg. Launch Complex: Vandenberg TP-01. Launch Vehicle: Peacekeeper. LV Configuration: Peacekeeper FTM-8.
  • Test mission - . Nation: USA. Agency: USAF AFSC. Apogee: 1,000 km (600 mi).

1985 August 24 - . 16:40 GMT - . Launch Site: Vandenberg. Launch Complex: Vandenberg LF08. Launch Vehicle: Peacekeeper. LV Configuration: Peacekeeper FTM-9.
  • Test mission - . Nation: USA. Agency: USAF AFSC. Apogee: 1,000 km (600 mi).

1985 November 13 - . Launch Site: Vandenberg. Launch Complex: Vandenberg LF08. Launch Vehicle: Peacekeeper. LV Configuration: Peacekeeper FTM-10.
  • 4 RVs Test - . Nation: USA. Agency: USAF AFSC. Apogee: 1,000 km (600 mi).

1986 March 7 - . Launch Site: Vandenberg. Launch Complex: Vandenberg LF08. Launch Vehicle: Peacekeeper. LV Configuration: Peacekeeper FTM-11.
  • Test mission - . Nation: USA. Agency: USAF AFSC. Apogee: 1,000 km (600 mi).

1986 May 21 - . Launch Site: Vandenberg. Launch Complex: Vandenberg LF08. Launch Vehicle: Peacekeeper. LV Configuration: Peacekeeper FTM-12.
  • 10 Mk 21 warheads sent to KMR impact area. - . Nation: USA. Agency: USAF AFSC. Apogee: 1,000 km (600 mi).

1986 August 23 - . 18:25 GMT - . Launch Site: Vandenberg. Launch Complex: Vandenberg LF02. Launch Vehicle: Peacekeeper. LV Configuration: Peacekeeper FTM-15.
  • Test mission - . Nation: USA. Agency: USAF AFSC. Apogee: 1,000 km (600 mi).

1986 September 18 - . 12:30 GMT - . Launch Site: Vandenberg. Launch Complex: Vandenberg LF08. Launch Vehicle: Peacekeeper. LV Configuration: Peacekeeper FTM-13.
  • 6 RVs to KMR - . Nation: USA. Agency: USAF AFSC. Apogee: 1,000 km (600 mi).

1986 December 5 - . 16:00 GMT - . Launch Site: Vandenberg. Launch Complex: Vandenberg LF02. Launch Vehicle: Peacekeeper. LV Configuration: Peacekeeper FTM-14.
  • 10 RV (2 ft deploy) - . Nation: USA. Agency: USAF AFSC. Apogee: 1,000 km (600 mi).

1987 February 13 - . Launch Site: Vandenberg. Launch Complex: Vandenberg LF08. Launch Vehicle: Peacekeeper. LV Configuration: Peacekeeper FTM-16.
  • Test mission - . Nation: USA. Agency: USAF AFSC. Apogee: 1,000 km (600 mi).

1987 March 21 - . Launch Site: Vandenberg. Launch Complex: Vandenberg LF08. Launch Vehicle: Peacekeeper. LV Configuration: Peacekeeper FTM-17.
  • Test mission - . Nation: USA. Agency: USAF AFSC. Apogee: 1,000 km (600 mi).

1989 March 19 - . 17:45 GMT - . Launch Site: Vandenberg. Launch Complex: Vandenberg LF08. Launch Vehicle: Peacekeeper. LV Configuration: Peacekeeper FTM-18.
  • 7 Mk 21 RVs to KMR - . Nation: USA. Agency: USAF AFSC. Apogee: 1,000 km (600 mi).

1989 September 14 - . 19:00 GMT - . Launch Site: Vandenberg. Launch Complex: Vandenberg LF02. Launch Vehicle: Peacekeeper. LV Configuration: Peacekeeper 01PA. FAILURE: Failure.
  • Operational test - . Nation: USA. Agency: USAF SAC. Apogee: 200 km (120 mi).

1990 March 8 - . Launch Site: Vandenberg. Launch Complex: Vandenberg LF05. Launch Vehicle: Peacekeeper. LV Configuration: Peacekeeper 02PA.
  • Operational test - . Nation: USA. Agency: USAF SAC. Apogee: 1,000 km (600 mi).

1990 May 16 - . Launch Site: Vandenberg. Launch Complex: Vandenberg LF08. Launch Vehicle: Peacekeeper. LV Configuration: Peacekeeper 03PA.
  • Operational test - . Nation: USA. Agency: USAF SAC. Apogee: 1,000 km (600 mi).

1990 September 13 - . Launch Site: Vandenberg. Launch Complex: Vandenberg LF05. Launch Vehicle: Peacekeeper. LV Configuration: Peacekeeper 04PA.
  • Operational test - . Nation: USA. Agency: USAF SAC. Apogee: 1,000 km (600 mi).

1991 March 12 - . Launch Site: Vandenberg. Launch Complex: Vandenberg LF02. Launch Vehicle: Peacekeeper. LV Configuration: Peacekeeper 05PA.
  • Operational test - . Nation: USA. Agency: USAF SAC. Apogee: 1,000 km (600 mi).

1991 June 11 - . 17:47 GMT - . Launch Site: Vandenberg. Launch Complex: Vandenberg LF08. Launch Vehicle: Peacekeeper. LV Configuration: Peacekeeper 06PA.
  • Operational test - . Nation: USA. Agency: USAF SAC. Apogee: 1,000 km (600 mi).

1991 September 17 - . Launch Site: Vandenberg. Launch Complex: Vandenberg LF02. Launch Vehicle: Peacekeeper. LV Configuration: Peacekeeper 07PA.
  • Operational test - . Nation: USA. Agency: USAF SAC. Apogee: 1,000 km (600 mi).

1992 March 4 - . Launch Site: Vandenberg. Launch Complex: Vandenberg LF05. Launch Vehicle: Peacekeeper. LV Configuration: Peacekeeper 08PA.
  • Operational test - . Nation: USA. Agency: USAF SAC. Apogee: 1,000 km (600 mi).

1992 July 1 - . 02:20 GMT - . Launch Site: Vandenberg. Launch Complex: Vandenberg LF02. Launch Vehicle: Peacekeeper. LV Configuration: Peacekeeper 09PA.
  • Operational test - . Nation: USA. Agency: USAF ACC. Apogee: 1,000 km (600 mi).

1992 September 16 - . 03:15 GMT - . Launch Site: Vandenberg. Launch Complex: Vandenberg LF05. Launch Vehicle: Peacekeeper. LV Configuration: Peacekeeper 10PA.
  • Operational test - . Nation: USA. Agency: USAF ACC. Apogee: 1,000 km (600 mi).

1993 March 2 - . Launch Site: Vandenberg. Launch Complex: Vandenberg LF02. Launch Vehicle: Peacekeeper. LV Configuration: Peacekeeper 11PA.
  • Operational test - . Nation: USA. Agency: USAF ACC. Apogee: 1,000 km (600 mi).

1993 July 14 - . 03:19 GMT - . Launch Site: Vandenberg. Launch Complex: Vandenberg LF05. Launch Vehicle: Peacekeeper. LV Configuration: Peacekeeper 12PA.
  • Operational test - . Nation: USA. Agency: USAF AFSPC. Apogee: 1,000 km (600 mi).

1993 September 15 - . Launch Site: Vandenberg. Launch Complex: Vandenberg LF02. Launch Vehicle: Peacekeeper. LV Configuration: Peacekeeper 13PA.
  • Operational test - . Nation: USA. Agency: USAF AFSPC. Apogee: 1,000 km (600 mi).

1994 March 8 - . 03:50 GMT - . Launch Site: Vandenberg. Launch Complex: Vandenberg LF05. Launch Vehicle: Peacekeeper. LV Configuration: Peacekeeper 14PA.
  • Operational test - . Nation: USA. Agency: USAF AFSPC. Apogee: 1,000 km (600 mi).

1994 May 17 - . Launch Site: Vandenberg. Launch Complex: Vandenberg LF02. Launch Vehicle: Peacekeeper. LV Configuration: Peacekeeper 15PA.
  • Operational test - . Nation: USA. Agency: USAF AFSPC. Apogee: 1,000 km (600 mi).

1994 September 7 - . 14:41 GMT - . Launch Site: Vandenberg. Launch Complex: Vandenberg LF05. Launch Vehicle: Peacekeeper. LV Configuration: Peacekeeper 16PA.
  • Operational test - . Nation: USA. Agency: USAF AFSPC. Apogee: 1,000 km (600 mi).

1995 January 19 - . 20:01 GMT - . Launch Site: Vandenberg. Launch Complex: Vandenberg LF02. Launch Vehicle: Peacekeeper. LV Configuration: Peacekeeper 17PA.
  • Operational test - . Nation: USA. Agency: USAF AFSPC. Apogee: 1,000 km (600 mi).

1995 June 14 - . Launch Site: Vandenberg. Launch Complex: Vandenberg LF05. Launch Vehicle: Peacekeeper. LV Configuration: Peacekeeper 18PA.
  • Operational test - . Nation: USA. Agency: USAF AFSPC. Apogee: 1,000 km (600 mi).

1995 August 30 - . Launch Site: Vandenberg. Launch Complex: Vandenberg LF02. Launch Vehicle: Peacekeeper. LV Configuration: Peacekeeper 19PA.
  • Operational test - . Nation: USA. Agency: USAF AFSPC. Apogee: 1,000 km (600 mi).

1996 May 8 - . 08:01 GMT - . Launch Site: Vandenberg. Launch Complex: Vandenberg LF05. Launch Vehicle: Peacekeeper. LV Configuration: Peacekeeper 20PA.
  • Operational test - . Nation: USA. Agency: USAF AFSPC. Apogee: 1,000 km (600 mi).

1996 May 30 - . 08:01 GMT - . Launch Site: Vandenberg. Launch Complex: Vandenberg LF02. Launch Vehicle: Peacekeeper. LV Configuration: Peacekeeper 21PA.
  • Operational test - . Nation: USA. Agency: USAF AFSPC. Apogee: 1,000 km (600 mi).

1996 September 11 - . 08:01 GMT - . Launch Site: Vandenberg. Launch Complex: Vandenberg LF05. Launch Vehicle: Peacekeeper. LV Configuration: Peacekeeper 22PA.
  • Operational test - . Nation: USA. Agency: USAF AFSPC. Apogee: 1,000 km (600 mi).

1996 November 6 - . 13:06 GMT - . Launch Site: Vandenberg. Launch Complex: Vandenberg LF02. Launch Vehicle: Peacekeeper. LV Configuration: Peacekeeper 23PA.
  • Operational test - . Nation: USA. Agency: USAF AFSPC. Apogee: 1,000 km (600 mi).

1997 May 8 - . 08:01 GMT - . Launch Site: Vandenberg. Launch Complex: Vandenberg LF05. Launch Vehicle: Peacekeeper. LV Configuration: Peacekeeper 24PA.
  • 9 RVs operational test launch - . Nation: USA. Agency: USAF AFSPC. Apogee: 1,000 km (600 mi).

1997 September 17 - . 08:01 GMT - . Launch Site: Vandenberg. Launch Complex: Vandenberg LF05. Launch Vehicle: Peacekeeper. LV Configuration: Peacekeeper 25PA.
  • 7 RVs operational test launch - . Nation: USA. Agency: USAF. Apogee: 1,000 km (600 mi).

1997 November 5 - . 21:01 GMT - . Launch Site: Vandenberg. Launch Complex: Vandenberg LF02. Launch Vehicle: Peacekeeper. LV Configuration: Peacekeeper 26PA.
  • 8 RVs operational test launch - . Nation: USA. Agency: USAF. Apogee: 1,000 km (600 mi).

1998 May 7 - . 10:30 GMT - . Launch Site: Vandenberg. Launch Complex: Vandenberg LF05. Launch Vehicle: Peacekeeper. LV Configuration: Peacekeeper 27PA.
  • 8 RVs operational test launch - . Nation: USA. Agency: USAF. Apogee: 1,000 km (600 mi).

1999 March 10 - . 08:01 GMT - . Launch Site: Vandenberg. Launch Complex: Vandenberg LF02. Launch Vehicle: Peacekeeper. LV Configuration: Peacekeeper 28PA.
  • 8 RVs operational test launch - . Nation: USA. Agency: USAF. Apogee: 1,000 km (600 mi).

2000 March 8 - . 09:40 GMT - . Launch Site: Vandenberg. Launch Complex: Vandenberg LF05. Launch Vehicle: Peacekeeper. LV Configuration: Peacekeeper 29PA.
  • 8 RVs operational test launch - . Nation: USA. Agency: USAF. Apogee: 1,000 km (600 mi).

2001 July 27 - . 08:01 GMT - . Launch Site: Vandenberg. Launch Complex: Vandenberg LF02. Launch Vehicle: Peacekeeper. LV Configuration: Peacekeeper 30PA. FAILURE: ICBM was destroyed during flight.
  • 9 RVs Functional Dependency gate operational test launch - . Nation: USA. Agency: USAF AFSPC. Apogee: 100 km (60 mi). Summary: FDEP. The Peackeeper ICBM was destroyed during flight and did not reach its planned 1000 km apogee..

2002 June 3 - . 08:01 GMT - . Launch Site: Vandenberg. Launch Complex: Vandenberg LF02. Launch Vehicle: Peacekeeper. LV Configuration: Peacekeeper 31PA.
  • GT-31PA - 9 RVs Functional Dependency gate operational test launch - . Nation: USA. Agency: USAF. Apogee: 1,000 km (600 mi).

2003 March 12 - . 09:29 GMT - . Launch Site: Vandenberg. Launch Complex: Vandenberg LF05. Launch Vehicle: Peacekeeper. LV Configuration: Peacekeeper 32PA.
  • GT-32PA - 8 RVs Functional Dependency gate operational test launch - . Nation: USA. Agency: USAF. Apogee: 1,000 km (600 mi). Summary: ICBM Demonstration Flight - Dummy Warheads..

2004 July 21 - . 08:01 GMT - . Launch Site: Vandenberg. Launch Complex: Vandenberg LF02. Launch Vehicle: Peacekeeper. LV Configuration: Peacekeeper 33PA.
  • GT-33PA - 8 RVs Functional Dependency gate operational test launch - . Nation: USA. Agency: USAF. Apogee: 1,000 km (600 mi). Summary: ICBM Demonstration Flight. Delayed from March..

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