Senoir Airmen Jenelle Christian and Yesenia Luna from the 7th Security Forces Squadron, Dyess AFB, Texas stack up to prepare for a room entry during urban operations training as part of their pre-deployment training hosted by the U.S. Air Force Expeditionary Center, Joint Base McGuire-Dix-Lakehurst, N.J. March 13, 2010. The training is conducted by the 421st Combat Training Squadron. (U.S. Air Force Photo/Tech. Sgt. Paul R. Evans)