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This NASA PDF contains memoranda, correspondence, reports, and other materials on scientific interest in luminous phenomena reported by astronauts John Glenn and Walter Schirra during spaceflight. It includes transcripts from NASA interviews and debriefings with both astronauts about those observations.

The file also covers scientific observations of atmospheric phenomena, with brief descriptions of luminous particles and experiences aboard spacecraft. It includes a circa 1955 theoretical analysis of meteoric particles entering the atmosphere, and notes that pages 34-35, 55-56, 57-63, 64-113, and 122-127 contain material relevant to the PURSUE initiative.

Declassified by the Department of War under the PURSUE UAP records release (tranche of 6/12/26).
Agency: NASA
Incident: 1962-1963
Document ID: NASA-UAP-D015