NASA-UAP-D014, Mercury-Redstone 4, July 21, 1961
Audio recording discussing the recovery of Mercury-Redstone 4 and a dye pack that did not activate.
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Document Intel
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- Source
- War.gov PURSUE
- Type
- Document
- Classification
- Unclassified
- Agency
- NASA
- Reference #
- Release 02
- Published
- 2026-05-22
- Content Type
- —
- Pages
- —
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NASA-UAP-D011, Mercury Atlas 9 Audio Excerpt, May 15, 1963
During the final and longest flight of Project Mercury, Mercury-Atlas 9 mission (MA-9) Faith 7 Pilot L. Gordon Cooper Jr. describes the brilliant blue of sunrise beneath the haze layer of the Earth’s atmosphere. As he approaches sunrise, he describes small, luminous, brilliant white particles drifting away from the spacecraft. Cooper describes observing “fireflies” after deploying beacons, which are spherical mission-related equipment with xenon strobe lights.
NASA-UAP-D010, Mercury Atlas 9 Audio Excerpt, May 15, 1963
Approximately one hour and 41 minutes into the final and longest flight of Project Mercury, Mercury-Atlas 9 mission (MA-9) Faith 7 Pilot L. Gordon Cooper Jr. notes that he sees “John’s fireflies,” referring to John Glenn’s term from the Mercury-Atlas 6 mission. NASA later determined that the “fireflies” are attributable to frozen condensation separating from the spacecraft body. The white, green-hued appearance of this phenomenon results from sunlight reflecting off frozen condensation.
NASA-UAP-D009, Apollo 17 Audio Excerpt, December 7, 1972
During the eleventh and final crewed mission in the Apollo program, Apollo 17 Commander Gene Cernan, Lunar Module Pilot Harrison Schmitt, and Command Module Pilot Ronald Evans report seeing small lights outside the Apollo spacecraft during transit to the moon. The crew describe bright “particles” or “fragments” as being “jagged,” “angular,” and drifting near the Apollo spacecraft and the separated Saturn S-IVB stage. The Apollo 17 crew speculate that paint chips or ice chips are likely the source of these lights and note that they “twinkle” and move away from the Saturn S-IVB stage.
NASA-UAP-D014, Mercury-Redstone 4, July 21, 1961
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.
NASA-UAP-D013, Mercury Atlas 7, May 24, 1962
During the fourth crewed spaceflight and second orbital flight of Project Mercury, Mercury-Atlas 7 (MA-7), Aurora 7 pilot Scott Carpenter describes white particles in view that appear to move at “random” and “look exactly like snowflakes.” He describes these phenomena as reflective, and that some seemed to move faster than the Aurora 7 spacecraft.
NASA-UAP-D012, Mercury Atlas 8 Audio Excerpt, October 3, 1962
During the Mercury Atlas 8 mission, Sigma 7 pilot Walter M. “Wally” Schirra Jr. describes observing “little white objects that tend to come from the capsule itself and drift off.” Schirra later also refers to those objects as “particles” and “lathe shavings.” Schirra also describes seeing a burst of light in the window, whose source he cannot identify. He speculates that his observation corresponds with the moment the sun passes below the horizon during sunset.