A maintainer, assigned the 23rd Expeditionary Aircraft Maintenance Unit, performs maintenance on a B-52 Stratofortress at an undisclosed location in Southwest Asia, June 15, 2017. The 23rd EAMU provided the 400th consecutive sortie without a maintenance cancellation on the day the 23rd Expeditionary Bomb Squadron celebrated the 100th anniversary of the unit. (U.S. Air Force photo by Staff Sgt. Trevor T. McBride)