Crossword clues for Agena. 4 letters:STARAgena.THOR___-Agena booster rocket.STARAgena, for one.AGENAExpendable rocketAGENANASA rocket stageAGENAAtlas rocket stageAGENAGemini engine nameAGENAGemini rocket stageAGENALockheed spacecraftAGENANASA boosterAGENAUpper stage used with a 66-AcrossAGENASGemini program rocketsAGENAA booster boosts itAGENARocket stageAGENAProject Gemini rocketAGENAProject Gemini boosterAGENANASA launch vehicleAGENARocket boosterAGENAEarly rocket stageAGENAProbe- launching rocketAGENAGemini rocketAGENAProbe-launching rocket stageAGENAGemini docking targetAGENALunar probe launcherAGENASGemini rocketsAGENASatellite-launching rocket stageAGENASProject Gemini rocketsAGENAAtlas rocketAGENASBooster rocketsAGENASNASA rocketsAGENA'60s NASA rocketAGENA'60s NASA rocket stageAGENA122 Down rocket stageAGENAAtlas-___, booster rocket.AGENAStar in Centaurus.AGENAU. S. rocket.AGENAAtlas-___.AGENARendezvous rocket.AGENARocket.AGENAAtlas-Thor upper stage.AGENASpacecraft booster.AGENATerm in rocketry.AGENARocket wordAGENA___ rocketAGENAU.S. rocket stageAGENARocket-booster stageAGENASRocket stagesAGENARocket's upper stageAGENARocket-launching stageAGENASSatellite launching stages