According to plan
Senior Airmen Jurel Burton, left, and Cody Ewer, both heating, ventilation and air conditioning technicians with the 407th Expeditionary Civil Engineer Squadron, consult a construction plan during the installation of an air conditioning duct, May 4, 2017, in Southwest Asia. The new cooling system will provide cooled air to a crucial computer server that will power operations in the fight against ISIS. (U.S. Air Force photo by Staff Sgt. Alexander W. Riedel)