| Pathfinder's parent | 23 |
| Org. with many missions | 23 |
| Org. with far-out goals? | 24 |
| Org. that sets launch dates | 27 |
| Letters on a G-suit patch | 25 |
| Jet Propulsion Lab org. | 23 |
| Its work is done in stages | 26 |
| Exploration org. since 1958 | 27 |
| Cape Canaveral letters | 22 |
| Acronym on a U.S. flight suit | 29 |
| "Apollo 13" subject | 29 |
| Voyager-launching org. | 22 |
| Von Braun's outfit | 22 |
| Spaced-out Houston agcy.? | 25 |
| Space-exploration org. | 22 |
| Space shuttle's org. | 24 |
| Space shuttle launcher | 22 |
| Shuttle shooter briefly | 24 |
| Shuttle launcher, at times | 26 |
| Rocketeers' agency | 22 |
| Rocket launcher, for short | 26 |
| Project Apollo implementer | 26 |
| Phoenix Mars Lander launcher | 28 |
| Orion Mars mission gp. | 22 |
| Org. with many launches | 23 |
| Org. with lofty goals? | 22 |
| Org. with launch parties? | 25 |
| Org. with frequent launchings | 29 |
| Org. with a launch pad | 22 |
| Org. that does launches | 23 |
| Org. that discovered GFAJ-1 | 27 |
| Org. that Carl Sagan advised | 28 |
| Org. for Apollo and Mercury | 27 |
| Orbiting telescope launcher | 27 |
| Operation IceBridge grp. | 24 |
| Noted rocket launchers | 22 |
| Nimbus launcher of 1964 | 23 |
| Mars Pathfinder launcher | 24 |
| Logo on some spacesuits | 23 |
| Letters on a Schirra suit | 25 |
| Launcher of Mars rovers | 23 |
| Launcher launched in 1958 | 25 |
| Kennedy Space Center org. | 25 |
| Johnson Space Center org. | 25 |
| James Beggs's agcy. | 23 |
| Its vehicles aren't UFOs | 28 |
| It put a man on the moon | 24 |
| Initiator of a probe, maybe | 27 |
| Initials at Cape Canaveral | 26 |
| Hubble Telescope participant | 28 |
| Houston-based Govt. agency | 26 |
| Houston shuttle letters | 23 |
| High-flier's org.? | 22 |
| Grp. that sends things up | 25 |
| Grp. organizing booster shots | 29 |
| Grp. famous for its send-ups? | 29 |
| Gp. with sky-high ambitions | 27 |
| Gp. that gave Glenn a lift | 26 |
| Glenn's employer, once | 26 |
| Galileo launcher: Abbr. | 23 |
| Friendship org. of 1962 | 23 |
| Far-out travel agency? | 22 |
| Employer of many scientists | 27 |
| Employee of many scientists | 27 |
| Cong. established it in 1958 | 28 |
| Challenger's letters | 24 |
| Cape Canaveral initials | 23 |
| Astronauts' agency | 22 |
| Astronaut's letters | 23 |
| Astronaut's acronym | 23 |
| Ames Research Center org. | 25 |
| Aldrin's former employer | 28 |
| Air and Space Museum donor | 26 |
| Agency established by DDE | 25 |
| Agcy. with far-out ideas | 24 |
| Agcy. that gave Ride a ride | 27 |
| Abbr. on a U.S. rocket | 22 |
| 2011 launcher of Curiosity | 26 |
| "Space Cowboys" gp. | 29 |
| "Magellan" launcher | 29 |
| "Endeavour" group | 27 |
| "Discovery" org. | 26 |
| "Discovery" grp. | 26 |
| "Columbia" org. | 25 |
| "Atlantis" launcher | 29 |
| "Apollo 13" org. | 26 |
| Sounding like a cold sufferer | 29 |
| Type of tone or passage | 23 |
| Type of spray or passages | 25 |
| Like Bob Dylan's voice | 26 |
| Type of cavity or spray | 23 |
| Like the "ng" sound | 29 |
| Like some medicinal sprays | 26 |
| Kind of spray for allergies | 27 |
| Helmet's nosepiece | 22 |
| Word with spray or passage | 26 |
| Word with passage or voice | 26 |
| Type of spray or congestion | 27 |
| Penetrating, as a voice | 23 |
| Like the sound "ng" | 29 |