U.S. Air Force Chief Master Sgt. Jose Reyes, 27th Aircraft Maintenance Unit superintendent, presents Senior Master Sgt. Christopher Lopez, 27th AMU assistant superintendent, with his line number at Joint Base Langley-Eustis, Virginia, Nov. 22, 2019. Out of 2,529 senior master sergeants eligible for promotion, 530 were selected to promote. (U.S. Air Force photo by Senior Airman Tristan Biese)