U.S. Government Document (News Transcript):

“DoD News Briefing: Mr. Kenneth H. Bacon, ASD (PA)”,

5 August 1997 
(U.S. Department of Defense, Washington, D.C.)

The document contains a UFO comment by Kenneth H. Bacon:

http://www.defense.gov/transcripts/transcript.aspx?transcriptid=1025













The Seal of the United States Department of Defense (wikimedia.org) (wikimedia.org image)

U.S. Government UFO Documents: 

NMCC Documents 

(National Military Command Center, 
U.S. Department of Defense, Washington, D.C.)

(NICAP.org)

NICAP presents several NMCC documents pertaining to UFO 
incidents that occurred over U.S. military bases (mainly U.S. 
Air Force bases) in 1975 and 1976:

http://www.nicap.org/docs/NMCC_assort1.pdf

The National Military Command Center at The Pentagon (2.bp.blogspot.com) (2.bp.blogspot.com photo)