9/11 Memorial at Bagram Airfield
U.S. Army Corps of Engineers civilian contracting officer technical representative, Ryan Williams, joins fellow government employees in a team-building walk around the perimeter of Bagram Airfield, Afghanistan, on Sept. 11, 2020. Participants carried the U.S. flag during the 13-mile trek around the country's largest U.S. military base to mark the anniversary of the 9/11 attacks. (U.S. Army Photo by Ryan Williams)