“The 1958 UFO Chronology”, 2006, 2010 (NICAP.org)
The pilot of Capitol Airlines Flight 407 sighted a UFO over Alexandria, Virginia, on 7 October 1958, at 6:02 p.m. EDT, NICAP reports:
http://www.nicap.org/waves/1958fullrep.htm
John R. Townsend, Special Assistant for Research & Engineering to the Assistant Secretary of Defense also sighted the UFO.
(tageo.com photo)