Mercury-Redstone 4, July 21, 1961
- File
- NASA-UAP-D014
- Type
- Audio
- Agency
- NASA
- Date
- 7/21/61
- Place
- North Atlantic Ocean
- Released
- Release 2, May 22, 2026
The government's description
During the recovery of the fourth launch and second crewed spaceflight of Project Mercury, Mercury-Redstone 4 (MR-4) Liberty Bell 7, the recovery team discusses a dye pack in the water that did not activate.