1958 July 19 - 17:36 GMT - Launch Vehicle: Atlas. Atlas B 3B FAILURE: Flight Control Failure. Research and development test Agency: USAF. Apogee: 10 km (6 mi). First full-powered flight of USAF Atlas B ICBM using both the sustainer and booster engines. 'Marginally successful'.

1958 August 29 - 04:30 GMT - Launch Vehicle: Atlas. Atlas B 5B Research and development / AFSWC-1 test Agency: USAF. Apogee: 900 km (550 mi).

1958 November 18 - 04:00 GMT - Launch Vehicle: Atlas. Atlas B 9B Research and development launch Agency: USAF. Apogee: 800 km (490 mi).

1958 December 18 - 23:02 GMT - Launch Vehicle: Atlas. Atlas B 10B Score Mass: 70 kg (154 lb). Spacecraft: Score. Agency: DARPA. Perigee: 185 km (114 mi). Apogee: 1,484 km (922 mi). Inclination: 32.30 deg. Period: 101.50 min. Signal Communication by Orbiting Relay Equipment; first commsat; transmitted taped messages for 13 days.

1959 February 4 - 08:01 GMT - Launch Vehicle: Atlas. Atlas B 11B Research and development / AFSWC-4? test Agency: USAF. Apogee: 990 km (610 mi). Last Atlas B flight, fully successful

1959 July 29 - 04:10 GMT - Launch Vehicle: Atlas. Atlas D 11D Research and development test Agency: USAF. Apogee: 1,800 km (1,100 mi). First Atlas successful D missile flight.

1959 October 6 - 05:55 GMT - Launch Vehicle: Atlas. Atlas D 18D Mk 3 Mod 1 re-entry vehicle research and development mission Agency: USAF. Apogee: 1,800 km (1,100 mi).

1959 October 29 - 07:20 GMT - Launch Vehicle: Atlas. Atlas D 26D Research and development test Agency: USAF. Apogee: 1,800 km (1,100 mi). USAF Atlas successfully launched from Cape Canaveral carrying a nose-cone camera which took a series of photographs of the earth's cloud cover from a 300-mile altitude.

1960 March 8 - 13:10 GMT - Launch Vehicle: Atlas. Atlas D 42D Research and development test Agency: USAF. Apogee: 1,800 km (1,100 mi). First USAF Atlas R&D flight using all-inertial guidance system.

1960 April 8 - 02:06 GMT - Launch Vehicle: Atlas. Atlas D 48D FAILURE: Failure. Research and development launch Agency: USAF. Apogee: 1.00 km (0.60 mi).

1960 June 11 - 06:30 GMT - Launch Vehicle: Atlas. Atlas D 54D Research and development launch Agency: USAF. Apogee: 1,800 km (1,100 mi).

1960 July 2 - 06:58 GMT - Launch Vehicle: Atlas. Atlas D 60D Research and development launch Agency: USAF. Apogee: 1,800 km (1,100 mi).

1960 August 12 - 13:00 GMT - Launch Vehicle: Atlas. Atlas D 66D Research and development launch Agency: USAF. Apogee: 1,800 km (1,100 mi).

1960 September 17 - 00:50 GMT - Launch Vehicle: Atlas. Atlas D 76D Research and development launch Agency: USAF. Apogee: 1,800 km (1,100 mi).

1960 October 13 - 09:34 GMT - Launch Vehicle: Atlas. Atlas D 71D Research and development test Agency: USAF. Apogee: 1,800 km (1,100 mi). USAF Atlas launched at AMR placed nose cone containing three black mice 650 miles up and 5,000 miles downrange at 17,000 mph. Nose cone was recovered in target area near Ascension Island, the three mice surviving the flight in "good condition."

1961 May 13 - 02:00 GMT - Launch Vehicle: Atlas. Atlas E 12E Research and development launch Agency: USAF. Apogee: 1,500 km (900 mi).

1961 June 23 - 03:00 GMT - Launch Vehicle: Atlas. Atlas E 17E FAILURE: Failure. Research and development launch Agency: USAF. Apogee: 10 km (6 mi).

1961 July 31 - 21:32 GMT - Launch Vehicle: Atlas. Atlas E 21E Research and development launch Agency: USAF. Apogee: 1,500 km (900 mi).

1961 October 2 - 18:23 GMT - Launch Vehicle: Atlas. Atlas E 25E Research and development / Pod 7 test Agency: USAF. Apogee: 1,500 km (900 mi).

1961 November 22 - 21:04 GMT - Launch Vehicle: Atlas. Atlas F 4F Research and development / Pod 3, 22 test / ionosphere / aeronomy mission Agency: USAF RS. Apogee: 1,400 km (800 mi).

1961 December 12 - 20:16 GMT - Launch Vehicle: Atlas. Atlas F 5F FAILURE: Failure. Research and development / Pod 24 test Agency: USAF. Apogee: 1,000 km (600 mi).

1961 December 21 - 03:35 GMT - Launch Vehicle: Atlas. Atlas F 6F FAILURE: Failure. Research and development test / Pod 15, 25 chemical release / ionosphere / meteorite mission Agency: USAF. Apogee: 500 km (310 mi).

1962 April 9 - 20:50 GMT - Launch Vehicle: Atlas. Atlas F 11F FAILURE: Failure. Research and development launch Agency: USAF.

1962 August 13 - 22:00 GMT - Launch Vehicle: Atlas. Atlas F 7F Research and development / Pod 16 test Agency: USAF. Apogee: 1,400 km (800 mi).

1962 September 19 - 19:30 GMT - Launch Vehicle: Atlas. Atlas F 8F Research and development / Pod 17 test Agency: USAF. Apogee: 1,400 km (800 mi).

1962 October 19 - 18:15 GMT - Launch Vehicle: Atlas. Atlas F 14F Research and development launch Agency: USAF AFSC. Apogee: 1,400 km (800 mi).

1962 November 7 - 19:43 GMT - Launch Vehicle: Atlas. Atlas F 16F Research and development launch Agency: USAF AFSC. Apogee: 1,400 km (800 mi).

1962 December 5 - 21:25 GMT - Launch Vehicle: Atlas. Atlas F 21F Research and development test Agency: USAF AFSC. Apogee: 1,400 km (800 mi). Last Atlas F R&D flight.

1963 March 1 - 21:00 GMT - Launch Vehicle: Atlas. Atlas F 134F ABRES REX-I / Pod 1 Re-entry vehicle test Agency: USAF AFSC. Apogee: 1,800 km (1,100 mi).

1963 April 27 - 02:03 GMT - Launch Vehicle: Atlas. Atlas F 135F ABRES REX-II re-entry vehicle test flight Agency: USAF AFSC. Apogee: 1,400 km (800 mi).

1963 October 28 - 03:15 GMT - Launch Vehicle: Atlas. Atlas F 136F FAILURE: Failure. ABRES WAC-1 / Pod 21 Reentry test / plume mission Agency: USAF AFSC. Apogee: 500 km (310 mi).

1964 February 25 - 20:22 GMT - Launch Vehicle: Atlas. Atlas E 5E ABRES WAC-3 / Pod 18 Re-entry vehicle test Agency: USAF AFSC. Apogee: 1,600 km (900 mi).