TIER 3 — SUPPORTING DOCUMENT

Mercury-Redstone 4, July 21, 1961

FILE ID NASA-UAP-D014TYPE AUDIOAGENCY NASACLASS UNCLASSIFIED
EVENT DETAILS
DATE
July 21, 1961
LOCATION
Atlantic Ocean
DOCUMENT SUMMARY

A recording of the Mercury-Redstone 4 (Liberty Bell 7) recovery team discussing a dye pack in the water that did not activate during post-splashdown recovery operations in July 1961.

WHY IT MATTERS

Supporting context document from Project Mercury recovery operations, providing mission-level detail for the earliest U.S. human spaceflight program.

AI ANALYSIS · rule-based-v1 · 5/26/2026
OFFICIAL SOURCE
View original document on war.gov (DoD)
OPEN AUDIO →
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