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Related Clues:
- Spaceship builders
- Shuttle owner
- Hubble Telescope builder
- Acgy. above it all?
- 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?
- Prometheus Society alternative
- Acronym on a flight suit