U.S. Air Force Tech Sgt. Matthew Prosser operates the boom of a KC-135 Stratotanker over Iraq in support of Operation Inherent Resolve, April 8, 2016. Prosser is a boom operator deployed out of the 185th Air Refueling Wing, Iowa Air National Guard. OIR is the coalition intervention against the Islamic State of Iraq and the Levant. (U.S. Air Force photo by Staff Sgt. Corey Hook/Released)