The Titan IIIM was a planned American

expendable launch system An expendable launch system (or expendable launch vehicle/ELV) is a launch vehicle that can be launched only once, after which its components are either destroyed during reentry or discarded in space. ELVs typically consist of several rocket sta ...

, intended to launch the

Manned Orbiting Laboratory The Manned Orbiting Laboratory (MOL) was part of the United States Air Force (USAF) human spaceflight program in the 1960s. The project was developed from early USAF concepts of crewed space stations as reconnaissance satellites, and was a s ...

and other payloads. Development was cancelled in 1969. The stretched core stage was used on some versions of the

Titan IIIB Titan IIIB was the collective name for a number of derivatives of the LGM-25C Titan II, Titan II ICBM and Titan III launch vehicle, modified by the addition of an RM-81 Agena, Agena upper stage. It consisted of four separate rockets. The Titan 23B ...

and the projected UA1207 solid booster rockets were eventually used on the

Titan IV Titan IV was a family of heavy-lift space launch vehicles developed by Martin Marietta and operated by the United States Air Force from 1989 to 2005. Launches were conducted from Cape Canaveral Air Force Station, Florida and Vandenberg Air For ...

Development

*1969 April 27 - First static test firing of Titan IIIM seven segment solid rocket booster motor. Firing took place at the

United Technologies United Technologies Corporation (UTC) was an American multinational conglomerate headquartered in Farmington, Connecticut. It researched, developed, and manufactured products in numerous areas, including aircraft engines, aerospace systems ...

Coyote Canyon test site at the southern edge of

San Jose, California San Jose, officially San José (; ; ), is a major city in the U.S. state of California that is the cultural, financial, and political center of Silicon Valley and largest city in Northern California by both population and area. With a 2020 popul ...

, and generated for two minutes.

Planned flights

*1970 - Uncrewed

Gemini Gemini may refer to: Space * Gemini (constellation), one of the constellations of the zodiac ** Gemini in Chinese astronomy * Project Gemini, the second U.S. crewed spaceflight program * Gemini Observatory, consisting of telescopes in the Northern ...

-B/Titan IIIM qualification flight *1971 - Uncrewed Gemini-B/Titan IIIM qualification flight

References

External links

Titan (rocket family) Abandoned military rocket and missile projects of the United States Military space program of the United States {{rocket-stub