Archive record · video

NASA-UAP-D014, Mercury-Redstone 4, July 21, 1961

Source label

National Aeronautics and Space Administration

Catalog date

2026-05-22

Record type

video

Record summary

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.

This is archive metadata, not a transcript. Catalog dates may refer to a release or collection rather than the event itself.