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Minuteman 1
Part of Minuteman Family
Minuteman on Rails
Minuteman on Rails
Minuteman Rail Version
First test version of the Minuteman ICBM. Succeeded by the Minuteman 1A in initial production.

AKA: LGM-30A. Status: Retired 1974. First Launch: 1970-03-14. Last Launch: 1974-10-24. Number: 2 .

3 stage vehicle consisting of 1 x M55E1 + 1 x SR19AJ1 + 1 x M57A1.



Country: USA. Launch Sites: Cape Canaveral LC31A, Vandenberg WTR.

1957 July 27 - . LV Family: Minuteman. Launch Vehicle: Minuteman 1.
  • Colonel Charles H. Terhune, Jr., Deputy Commander for Ballistic Missiles, AFBMD, directed the establishment of a small Solid Weapon System Office to continue development efforts on solid-propellants. - .

1958 February 27 - . LV Family: Minuteman. Launch Vehicle: Minuteman 1.
  • Secretary of Defense Neil H. McElroy approved Air Force research and development efforts for the three-stage, solid-propellant Minuteman ICBM. - . Related Persons: , McElroy.

1958 July 18 - . LV Family: Minuteman. Launch Vehicle: Minuteman 1.
  • Headquarters USAF approved the Minuteman source selections of Thiokol Chemical, Aerojet-General, and Hercules Powder Company as the propulsion contractors for the solid-fuel motors of the missile. - . Avco Corporation was chosen as the reentry vehicle (nose cone) developer, and Autonetics Division of North American Aviation was selected as inertial guidance and control (G&C) system contractor..

1958 August 1 - . LV Family: Minuteman. Launch Vehicle: Minuteman 1.
  • The Autonetics Division of North American Aviation was awarded a contract to develop the Minuteman inertial guidance and control (G&C) system. - .

1959 December 23 - . LV Family: Minuteman. Launch Vehicle: Minuteman 1.
  • Aerojet-General completed the test firing of its first full-scale, flight-weight Minuteman Stage II engine. - .

1960 Jan - . LV Family: Minuteman. Launch Vehicle: Minuteman 1.
  • Production go-ahead for the Minuteman ICBM was accelerated from January 1961 to July 1960. - .

1960 May 6 - . Launch Site: Edwards AFB. LV Family: Minuteman. Launch Vehicle: Minuteman 1.
  • A tethered Minuteman missile was successfully fired from an underground silo site at Edwards AFB, California. - .

1961 Feb - . LV Family: Minuteman. Launch Vehicle: Minuteman 1.
  • Letter contracts were issued to Thiokol Chemical Corporation (Stage I), Aerojet-General Corporation (Stage II), and Hercules Powder Company (Stage III) for initial Minuteman IOC capability. - .

1962 April 4 - . Launch Site: Warren AFB. LV Family: Minuteman. Launch Vehicle: Minuteman 1.
  • Headquarters USAF officially announced that Francis E. Warren AFB, Wyoming, would be the site for the fifth wing of Minuteman ICBMs. - .

1962 October 24 - . Launch Site: Malmstrom AFB. LV Family: Minuteman. Launch Vehicle: Minuteman 1.
  • Flight A, 10th Strategic Missile Squadron, 341st Strategic Missile Wing at Malmstrom AFB, Montana, was the first flight of Minuteman I (LGM-30A) missile launchers to be delivered to SAC. - .

1963 Jun - . LV Family: Minuteman. Launch Vehicle: Minuteman 1.
  • The final Minuteman I (LGM-30A) missile was completed at Air Force Plant 77. - .

1963 September 6 - . LV Family: Minuteman. Launch Vehicle: Minuteman 1.
  • Headquarters USAF approved General Electric as the contractor for the Mark 12 reentry vehicle system for the Minuteman ICBM. - .

1964 January 15 - . LV Family: Minuteman. Launch Vehicle: Minuteman 1.
  • Engineering responsiblity for Wing I Minuteman missiles (LGM-30A) was transferred from Ballistic Systems Division (AFSC) to Ogden Air Materiel Area (AFLC), Hill AFB, Utah. - .

1964 February 27 - . Launch Site: Minot AFB. LV Family: Minuteman. Launch Vehicle: Minuteman 1.
  • The 455th Strategic Missile Wing's second Minuteman I (LGM-30B) squadron, the 741st Strategic Missile Squadron, was turned over to SAC at Minot AFB, North Dakota. - .

1964 March 19 - . Launch Site: Minot AFB. LV Family: Minuteman. Launch Vehicle: Minuteman 1.
  • The third wing of Minuteman ICBMs was completed when the 742d Strategic Missile Squadron was turned over to SAC at Minot AFB. The Minuteman force then totaled 450 missiles. - .

1965 October 26 - . LV Family: Minuteman. Launch Vehicle: Minuteman 1.
  • Headquarters USAF issued a System Management Directive to add an Airborne Launch Control System (ALCS) for Minuteman I and II systems. - . SAC would then be able to use its EC-135 airborne command post aircraft to launch Minuteman missiles that were isolated from ground control..

1965 December 1 - . Launch Site: Warren AFB. LV Family: Minuteman. Launch Vehicle: Minuteman 1.
  • The High Explosive Simulation Technique (HEST) Test began at a Minuteman I, Wing V, launch facility at Francis E. Warren AFB, Wyoming. - .

    Developed by the Air Force Weapons Laboratory, the HEST Test was intended to use high explosives to simulate ground motions associated with, and induced by, a nuclear airblast and thus validate hardness assessment of ground facilities and the degree of structural survivability.


1966 April 11 - . LV Family: Minuteman. Launch Vehicle: Minuteman 1.
  • A Headquarters USAF Systems Management Directive (SMD) for Minuteman I and IT directed that an Improved Third Stage (ITS) propulsion system. - .

    This would be used with the Mark 12 and Mark 17 reentry vehicles and a Post Boost Control System (PBCS) and that initial operational capability (IOC) be achieved in July 1969. The Minuteman with the new third stage was designated the Minuteman III (LGM-30G) weapon system and was to be compatible with either the WS 133B or WS 133A/M ground systems.


1967 April 21 - . Launch Site: Malmstrom AFB. LV Family: Minuteman. Launch Vehicle: Minuteman 1.
  • The final flight of Squadron 20 Minuteman IT missiles was turned over to SAC. This brought the strength of the 341st Strategic Missile Wing at Malmstrom AFB to 200 Minuteman missiles. - . The formal turnover on 3 May completed the deployment of the programmed 1,000 Minuteman missile launchers..

1967 May 3 - . Launch Site: Malmstrom AFB. LV Family: Minuteman. Launch Vehicle: Minuteman 1.
  • Ballistic Systems Division announced that the 20th Minuteman ICBM squadron, Squadron 20 (the 564th Strategic Missile Squadron) at Malmstrom AFB, Montana, was now operational. - .

1967 October 19 - . LV Family: Minuteman. Launch Vehicle: Minuteman 1.
  • The first phase of the Minuteman ICBM Force Modernization (WS 133A-Modernized or WS 133A-M) program was officially completed. - .

    This was marked by the formal turnover of 150 Minuteman it (LGM-30F) missile launchers to SAC's 351st Strategic Missile Wing at Whiteman AFB, Missouri. The completion of the first Force Modernization wing gave the Strategic Air Command 350 of the advanced Minuteman II missiles out of the total force of 1,000 Minuteman ICBMs.


1969 February 1 - . LV Family: Minuteman, Spartan. Launch Vehicle: Minuteman 1.
  • SAMSO awarded Boeing Airplane Company an integration, instrumentation, and launch service contract for the launch of nine obsolescent Minuteman I missiles as target vehicles for Safeguard ABM tests. - .

1969 February 12 - . Launch Site: Malmstrom AFB. LV Family: Minuteman. Launch Vehicle: Minuteman 1.
  • The final Minuteman I (LGM-30A) missile was taken out of its silo at Malmstrom AFB, Montana, marking the end of the operational deployment of the original model Minuteman ICBM missile. - . This removal was part of the continuing Force Modernization program at Malmstrom..

1969 May 27 - . Launch Site: Malmstrom AFB. LV Family: Minuteman. Launch Vehicle: Minuteman 1.
  • The last flight of Force Modernization Minuteman IT missiles was turned over to SAC's 341st Strategic Missile Wing at Malmstrom AFB, Montana. Wing I Force Modernization turnover was completed. - .

1970 March 14 - . 18:00 GMT - . Launch Site: Cape Canaveral. Launch Complex: Cape Canaveral LC31A. Launch Pad: LC31A/Truck. LV Family: Minuteman. Launch Vehicle: Minuteman 1.
  • Sheltered Base research and development mission - . Nation: USA. Agency: USAF AFSC. Apogee: 1.00 km (0.60 mi).

1970 December 23 - . Launch Site: , Vandenberg. LV Family: Minuteman. Launch Vehicle: Minuteman 1.
  • A Minuteman I flight test missile was fired down the Western Test Range from Vandenberg AFB as part of the Safeguard System Test Targets Program (SSTTP) managed by SAMSO's Deputy for Reentry Systems. - . An Army Sprint missile intercepted the nose cone, recording its first test intercept..

1972 June 7 - . Launch Site: Kwajalein, Vandenberg. LV Family: Minuteman. Launch Vehicle: Minuteman 1.
  • The 200th Minuteman I (LGM-30B) was launched from Vandenberg in the Safeguard System Test Targets Program (SSTTP) and completed a successful flight down the Western Test Range to Kwajalein. - .

1973 Mar - . LV Family: Atlas, Minuteman, Trident. Launch Vehicle: Minuteman 1.
  • A SAMSO-Navy Strategic System Program Office Memorandum of Agreement was amended to provide Minuteman I boosters in addition to the Atlas vehicles already scheduled. - . These were for HAVE FLY, the Trident Supplemental Flight Test (SFT) program managed by the Deputy for Reentry Systems..

1973 June 26 - . LV Family: Minuteman. Launch Vehicle: Minuteman 1.
  • Use of Minuteman I missiles in a launch program to support the Navy's Trident Supplemental Flight Test (SFT) program was authorized. - .

1973 Sep - . LV Family: Minuteman. Launch Vehicle: Minuteman 1.
  • The Advanced Nosetip Test (A.N.T.) program began to develop a system of multiple small reentry vehicles to be simultaneously flight tested on Minuteman I boosters. - . This would obtain reentry shape changed and recession performance data on advanced nosetip materials and designs..

1974 June 30 - . Launch Site: , Vandenberg. LV Family: Minuteman. Launch Vehicle: Minuteman 1.
  • The Sandia ABRES Materials and Systems Test 02/Miniature Instrumented Nosetip Test (SAMAST 02/MINT) reentry vehicles were successfully launched on a Minuteman I booster out of Vandenberg AFB. - . Related Persons: ABRES.

1974 October 24 - . LV Family: Minuteman. Launch Vehicle: Minuteman 1.
  • As an early air mobile flight demonstration of the feasibility of launching a ballistic missile from a wide-bodied aircraft, a Minuteman I missile was dropped from an Air Force C-5A over water. - .

    Ignited at 8,000 feet, the Minuteman rose to 20,000 feet before expending its propellant and falling into the ocean 20 miles from Vandenberg AFB. SAMSO's Deputy for Minuteman at Norton AFB, California, completed the necessary work for the air mobile demonstration in just over two months. The data gathered from this first live demonstration of the air mobile concept will be used in SAMSO's Advanced ICBM Technology (M-X) program that will determine technology and basing concept for the next generation of U.S. land-based strategic missiles.


1974 October 24 - . Launch Site: Vandenberg. Launch Complex: Vandenberg WTR. Launch Platform: C-5A. LV Family: Minuteman. Launch Vehicle: Minuteman 1.
  • Test mission - . Nation: USA. Agency: USAF AFSC. Apogee: 6.00 km (3.70 mi).

1977 Dec - . Launch Site: Kwajalein, Vandenberg. LV Family: Minuteman. Launch Vehicle: Minuteman 1.
  • TDV-3, the third of three technology development vehicle flights in CY 1977, was successfully launched from Vandenberg AFB to the Kwajalein missile range on a Minuteman I booster. - . It successfully conducted complex experiments dealing with nosetip materials, aerodynamics, induced early transition, and electronics..

1979 January 20 - . Launch Site: Kwajalein, Vandenberg. LV Family: Minuteman. Launch Vehicle: Minuteman 1.
  • STREP-1, an ABRES flight test conducted in support of the Army's System Technology Reentry Experiments Program, was launched on a Minuteman I booster from Vandenberg AFB to Kwajalein missile range. - . Related Persons: ABRES. The primary mission was successful, but a secondary payload, the advanced Star decoy sponsored by ABRES, deployed improperly because of improper loading, and data on its performance could not be collected..


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