FOD check
ALI BASE, Iraq -- Master Sgt. Matthew Smith, 407th Expeditionary Operations Squadron airfield manager, performs a Foreign Object Debris check immediately after the landing of a C17 here April 16. A FOD check is performed after the landing of all heavy aircraft on Ali Base to ensure the airfield pavement remains FOD free. Sergeant Smith is deployed from McConnell AFB, Kan. (U. S. Air Force photo / Tech. Sgt. Sabrina Johnson)