Hilson L. Sewell

1 mentions

Appears in the archive as Second Lieutenant Hilson L. Sewell, USAF, who flew as "Pronto Blue #1" in the June 22, 1954 Neah Bay radar intercept documented in FBI-UAP-D013: Washington State UFO Investigation File, 1952–1960. He obtained an airborne radar pickup on an unidentified target at 20,000 feet and held contact for three radar sweeps before the target departed off scope.