1969's Eagle et al., 4 letters
Apollo 11 and 12 crafts: acron., 4 letters
Apollo vehicles, briefly, 4 letters
Eagle et al., briefly, 4 letters
Golf-cartlike vehicles, 4 letters
Moon crawlers, briefly, 4 letters
Moon landers, briefly, 4 letters
Moon landers, for short, 4 letters
Moon landers: Abbr., 4 letters
Moon landing units, for short, 4 letters
Moon rovers, briefly, 4 letters
Moon vehicles, for short, 4 letters
Moon-landing transports, 4 letters
Moon-landing vehicles, for short, 4 letters
NASA's Falcon and Intrepid, 4 letters
Onetime SAC chief and family, 4 letters
Some touchdown makers, briefly, 4 letters
The Eagle and others, 4 letters