![]() Its outstanding dry weight fraction, resulting in it being selected for use in preference to the heavier Transtage for many Titan missions. The restartable Agena D could accept a range of payloads and be fitted to Atlas, Thor, or Titan boosters without modification. The Agena also had an engine restart capability, which NASA used during two Gemini. The Agena D was essentially a standardized version of the Agena B. An illustration of the Titan IIID rocket used to launch the KH-9. Agena was used as an upper stage with the Thor, augmented Thor, Atlas and Titan boosters it played important roles in such military and NASA programs as Corona, Keyhole, Discoverer, Samos, Mariner, OGO, Lunar Orbiter, Ranger and Orbiting Astronomical Observatory. In the Gemini Agena, a control system could handle 96 commands from the astronauts or from ground stations. Agena had a main rocket engine capable of multiple re-starts in space in the modified target vehicle version it also had two secondary engines to provide small changes in velocity and position in orbit. Agena played a key role in manned space flight it was the target vehicle for rendezvous and docking maneuvers in NASA's Gemini project. space exploration, the Agena upper stage which was also employed as a spacecraft, the whole vehicle going into orbit. The same size as the Agena B, the Agena D was powered by a multiple re-start Bell engine. Most notably, the Agena D was used as a target vehicle for manned Gemini rendezvous and docking missions. Referring crossword puzzle answers AGENA Likely related crossword puzzle clues Sort A-Z Rocket stage Booster Rocket Gemini docking target Rocket type Gemini rocket stage Atlas rocket stage Booster rocket U.S. The Agena D was derived directly from the Agena B, with specific modifications made to accommodate a greater variety of payloads. Launched by Atlas Agena D Thor Agena D Titan 3B Titan 34B. NASA rocket stageis a crossword puzzle clue that we have spotted 1 time. ![]() ![]() ![]() Often integrated with the functional payload. Nitric acid/UDMH propellant restartable rocket stage. ![]()
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