Apollo 17 Audio Excerpt, December 7, 1972 — NASA Audio
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…
Incident Overview
Apollo 17, launched on December 7, 1972 — the thirty-first anniversary of Pearl Harbor — was the eleventh crewed lunar mission and the last time human beings have traveled beyond low Earth orbit. Commander Gene Cernan, Command Module Pilot Ronald Evans, and Lunar Module Pilot Harrison Schmitt — the only professional geologist ever to reach the Moon — departed Earth atop the final Saturn V launched by NASA. During their translunar transit, all three crew members observed small lights outside the spacecraft in the vicinity of the spent Saturn S-IVB upper stage from which their Command/Service Module had separated after extracting the Lunar Module.
What makes this particular Apollo observation distinctive is the crew’s description of the particles. Where earlier Mercury astronauts had described them as rounded or crystalline — snowflakes, fireflies, lathe shavings — the Apollo 17 crew characterized them as “jagged” and “angular,” qualities inconsistent with water ice spheres and more consistent with fragments of paint or insulating material shed from the aging S-IVB as it underwent thermal cycling in space. The crew’s own working hypothesis — paint chips or ice from the S-IVB — is plausible, and they noted that the objects seemed to originate from or near the spent stage rather than from the Command/Service Module.
The observation carries particular weight in the PURSUE disclosure record because Apollo 17 was the final crewed lunar mission, its crew carried extraordinary credibility, and Cernan in particular became one of the more thoughtful voices in the astronaut-UAP conversation in later years: he did not overclaim the translunar encounter but also did not dismiss it. AARO preserved the recording as part of the government’s comprehensive archive of anomalous astronaut observations, acknowledging that while the crew’s own explanation is reasonable, the observation remains technically unverified.
What the government released
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.
Status of the case
Records released under the PURSUE program are designated unresolved by the All-domain Anomaly Resolution Office, which means the federal government has not concluded the events were anomalous, has not concluded they were conventional, and has not ruled out either possibility. Where AARO has offered a likely source for an item — an infrared sensor aboard a military aircraft, a commercial camera, or a known optical effect — that attribution is the agency’s working assessment rather than a final determination. Conventional candidates such as drones, balloons, flares, satellites, parallax and forced-perspective artifacts, and ordinary aircraft remain on the table for any unresolved case absent better data than a single sensor pass or a witness recollection.