US Air Force (USAF) SENIOR MASTER Sergeant (SMSGT) Tim Tyvan (foreground), 116th Expeditionary Air Support Operations Squadron (EASOS), participates in an armed patrol as part of a Tactical Air Control Party (TACP), with US Army (USA) Soldiers assigned to the Army 1ST Infantry Division, to clear the area of threats around Balad Air Base (AB), Iraq, during Operation IRAQI FREEDOM
