Crossword clues for Space program 6 lettersAnswerClueAPOLLO17-mission space programVOSTOK'60s Soviet space programAPOLLO1960's-70's space programAPOLLOSpace programAPOLLOSpace program to the moonVOSTOKEarly Soviet space programSOYUZSoviet space programHAMFamous chimp in the Mercury space programMOONSHOTSpace program eventAPOLLOSOYUZFirst joint flight of the U.S. and Soviet space programsTESTROCKETSpace program launchSTARTREKSpace program of the '60sLUNA'60s Soviet space programSTAIRWAYTOTHESTARSMusical space programSTARTREKTV space programABORTVerb in the space programLEMSpace program acronymSTARTREKSpace programSOYUZRussian space program started in the 1960sSATURNROCKETBooster of the Apollo space programLUNA1960s-'70s Soviet space programATLANTISIts 2011 landing marked the end of the Space Shuttle programSDISpace laser program of the '80sFATWAREComputer programs with features that take up extra space and resources but add little functionality