Answer: astronauts

AnswerCrossword Clue
ASTRONAUTSGlenn and Armstrong
astronautsA person who is trained to travel in a spacecraft
astronautsASTRONAUT, a person engaged in space travel
ASTRONAUTSSpacey types?
ASTRONAUTSThey fly higher than anyone
ASTRONAUTSHighest fliers
ASTRONAUTSRide's fellow riders
ASTRONAUTSHouston's spacemen?
ASTRONAUTSThey waved from outer space
ASTRONAUTSThe experts on travel in outer space.
ASTRONAUTSArmstrong, Conrad, etc.
ASTRONAUTSMen in space
ASTRONAUTSLong-distance riders.
ASTRONAUTSCertain V.I.P.'s
ASTRONAUTSWearers of G suits.
ASTRONAUTSToday's supermen.
ASTRONAUTSMercury men.