Soldiers with the 299th “Lifeline” Brigade Support Battalion, 2nd Advise and Assist Brigade, 1st Infantry Division, United States Division – Center rehearse security operations during a situational training exercise May 20, 2011 at Camp Liberty, Iraq. The purpose of the two-day training exercise, hosted by the combat logistics patrol security detachment, was to enhance the recovery, medical, and security skills needed for successful patrol operations.