Unverified
SF-2026-001137
DOW UAP D097 Project Sign Progress Report 1948
According to the releasing agency, this file is an initial progress report produced by the Air Materiel Command concerning Project Sign, a 1948–1949 U.S. Air F…
U.S. Department of WarIncident 1948image81.7 KB
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Project SIGNU.S. Department of WarAir Materiel Command