Members of the 633rd Civil Engineer Squadron participate in a Prime Base Engineering Emergency Force readiness challenge at Joint Base Langley-Eustis, Va., Oct. 25, 2016. The training had 12 stations set-up, each had representative from that specialty explaining how to complete a task, while keeping score, helping and encouraging the teams along the way. (U.S. Air Force photo by Senior Airman Kimberly Nagle)