America’s Heroes Army Spc. Weston Adams of the 3rd U.S. Infantry Regiment (The Old Guard) provides a guided tour of the Pentagon. All service branches contribute to a Joint Forces unit of Pentagon tour guides who provide tours to about 100,000 people annually. SHARE IMAGE: Download Image: Full Size (1.59 MB) Tags: Pentagon Photo By: Marvin Lynchard, DOD VIRIN: 190403-D-FW736-0022C.JPG Photo Gallery