An airman from the 147th Reconnaissance Wing locates unexploded ordnance on a grid map during a post-attack check for chemical agents and unexploded ordnance during Operational Readiness Exercise (ORE) Lonestar 11-01 at Ellington Field Joint Reserve Base, Houston, 5 March 2011. The 147th Reconnaissance Wing performed the ORE to exercise deploying and operating from a combat zone. 147 RW/Photo: MSgt Dale Hanson