Airman 1st Class Aaron Cain and Airman 1st Class Robert Sorreano, 633d Civil Engineer Squadron, remove a barrier at Langley Air Force Base, Va., Feb. 27, 2011. The barriers were put up as part of a two-day Operational Readiness Exercise used to test the 633d Air Base Wing, 1st Fighter Wing, and 192nd Fighter Wings’ ability to deploy Airmen, cargo, and aircraft on a short notice. (U.S. Air Force photo by Airman 1st Class Kayla Newman/Released)