The Titan IIIM was a planned American expendable launch system, intended to launch the Manned Orbiting Laboratory and other payloads. Development was cancelled in 1969. The stretched core stage was used on some versions of the Titan IIIB and the projected UA1207 solid booster rockets were eventually used on the Titan IV.
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This article is an automated import of the Wikipedia article "Titan IIIM", available at https://en.wikipedia.org/wiki/Titan_IIIM . Text is licensed under CC BY-SA 4.0.