Loren Douglas Hagen (February 25, 1946 – August 7, 1971) was a United States Army Special Forces officer and a recipient of the United States military's highest decoration—the Medal of Honor—for his actions during the Vietnam War as Recon Team (RT) leader of a small special reconnaissance unit "RT Kansas", manned by USASF Green Berets and highly trained Montagnard commandos from Task Force One Advisory Element aka Command & Control North, a division of Studies and Observations Group in the Vietnam War. Hagen was the last member of the U.S. Army to earn a Medal of Honor in the Vietnam War.