Visitor Entrance Pentagon Police Officer Christopher Nation shows Hugh Mercer Elementary School students the Pentagon Visitor Entrance during a virtual tour, Oct. 7, 2020. Officer Omar Vieraclass is standing post. SHARE IMAGE: Download Image: Full Size (0.97 MB) Tags: Pentagon Force Protection Agency, Pentagon Photo By: Courtesy Pentagon Force Protection Agency VIRIN: 201007-D-ZZ999-5826R.JPG Photo Gallery