Ground Parachute Extraction System (English Wikipedia)

Analysis of information sources in references of the Wikipedia article "Ground Parachute Extraction System" in English language version.

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Major General Burl W. McLaughlin (December 1968). "Khe Sanh: Keeping an outpost alive". Air University Review. Archived from the original on November 17, 2007.

Robert L. Johnson II (October 1990). "The Airborne and Special Operations Test Board, 1940-1990, A commemorative History". Test and Experimental Command, Historical Office, Fort Hood, Texas. Archived from the original on April 8, 2013.

Major General Burl W. McLaughlin (December 1968). "Khe Sanh: Keeping an outpost alive". Air University Review. Archived from the original on November 17, 2007.
Robert L. Johnson II (October 1990). "The Airborne and Special Operations Test Board, 1940-1990, A commemorative History". Test and Experimental Command, Historical Office, Fort Hood, Texas. Archived from the original on April 8, 2013.