A U.S. Air Force Phoenix Raven team member, assigned to the 816th Expeditionary Airlift Squadron, guards a C-17 Globemaster III at Forward Operating Base Shank, Afghanistan, Feb. 08, 2018. Phoenix Ravens are an elite group of U.S. Air Force Security Forces personnel charged with ensuring the security of high value assets and aircraft in hostile and high risk locations. (U.S. Air Force Photo by Tech. Sgt. Gregory Brook)