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

NASAVideoIncident ReportNo redactionsPURSUE Release 2

1/10

noise or low quality

UAP Insight significance score

Location: North Atlantic Ocean
Incident date: 7/21/61
Released: May 22, 2026

UAP Characteristics

Evidence Types

Testimony

Government Programs Referenced

Project Mercury

Official Conclusion

Recovery operation documentation noting a dye pack malfunction; no UAP conclusion applicable.

Official 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.

Key Findings

→The document concerns the post-splashdown recovery of Mercury-Redstone 4 (Liberty Bell 7), the second crewed U.S. spaceflight.
→The recovery team noted and discussed a dye pack in the water that did not activate as expected.
→No UAP, anomalous aerial phenomena, or unidentified objects are referenced in the official description.

UAP Insight Analysis— AI generated, not official

This document pertains to the recovery operation of NASA's Mercury-Redstone 4 (Liberty Bell 7) mission on July 21, 1961, in the North Atlantic Ocean. The official description focuses on recovery team communications regarding a dye pack that failed to activate in the water. There is no UAP content described in the available metadata or official description.

Analyst Notes

This document contains no UAP content based on the available official description; it is a routine spaceflight recovery operational record. The noted anomaly (dye pack not activating) is a mundane equipment issue with no UAP relevance. Scoring is minimal as this appears to be a misfiled or tangentially included document in a UAP release program.

Extracted Entities

Agencies & Organizations

NASA

Locations

North Atlantic Ocean

Aircraft & Objects

Mercury-Redstone 4 Liberty Bell 7 spacecraftdye pack (non-activated, in water)

Dates

July 21, 1961

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AI analysis by claude-sonnet-4-6 · May 22, 2026