UNCLASSIFIED // PUBLIC RELEASERELEASE 02 · MAY 22, 2026
PENTAGON UFO FILE · AUDIO · NASA-UAP-D014
Mercury-Redstone 4, July 21, 1961
NASAIncident: July 21, 1961North Atlantic OceanLength 0:27
0:27 · plays from our Internet Archive copy · original on DVIDS
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.
The description is the government’s own, from war.gov/UFO, released on May 22, 2026. The Pentagon calls these unresolved cases — publishing a file does not mean it shows anything anomalous.