Senior Airman Terique Howard, left, structural engineering journeyman with the 911th Civil Engineering Squadron, observes a wingman as he cuts a piece of ceiling tile at the Pittsburgh International Airport Air Reserve Station, Dec. 3, 2017. The Airmen of the structures shop maintain the buildings across the base, enabling the mission by serving as the framework behind others. (U.S. Air Force photo by Staff Sgt. Marjorie A. Bowlden)