Two contractors prepare guide lines at a future Afghan personnel housing facility construction site in support of Operation Allies Welcome at Holloman Air Force Base, N.M., Aug. 27, 2021. The Department of Defense, through U.S. Northern Command, and in support of the Department of Homeland Security, is providing transportation, temporary housing, medical screening, and general support for up to 50,000 Afghan evacuees at suitable facilities, in permanent or temporary structures, as quickly as possible. (U.S. Air Force photo by Staff Sgt. Christopher S. Sparks)