Questions tagged [transtage]

Questions about the Transtage, a successful hypergolic upper stage used from 1964 through 1989 on the Titan III series of launchers (and proposed for use on other platforms).

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Why would the Shuttle-Transtage have been unusable for science missions?

In the 1970s and early 1980s, NASA and the DoD evaluated four different existing or proposed upper stages for use with the space shuttle: The Centaur hydrolox stage (specifically, the Centaur G/G' ...
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Function of this big pointy thing on the Titan Transtage? Do other upper stages have something similar?

Jonathan McDowell's tweet Six more debris objects from Transtage 17 cataloged. Here is the Gabbard diagram showing apogee and perigee for each piece - green line is the GEO altitude led me to ...