UFO Report:
“The 1975 SAC Base Northern Tier Overflights”
by Francis L. Ridge, Updated: 15 June 2007 (NICAP.org)
NICAP reports on the late 1975 UFO activity over Loring AFB, Maine, Wurtsmith AFB, Michigan, Malmstrom AFB, Montana, Minot AFB, North Dakota, Canadian Forces Station, Falconbridge, Ontario, Canada and other selected 1975 UFO incidents:
http://www.nicap.org/waves/1975_overflights.htm
“US Military Bases” (MilitaryBases.com):
http://militarybases.com/
Major Active-duty U.S. Air Force Bases (usaf-map1.jpg)
(nicap.org image)