Related Clues:
- Acgy. above it all?
- Org. with a Carl Sagan Chair for the Study of Life in the Universe
- Payload delivery org.
- Letters on a Schirra suit
- Org. that plans long trips
- Planner of long trips
- Shuttle-launching org.
- Its insignia includes an orbiting spacecraft
- Org. with an Earth Observatory web page
- Dr. Jemison's former employer
- Moon unit?
- Acronym on a flight suit
- ''Discovery'' org.
- Letters on G-suits
- "Apollo 13" gp.