A U.S. Air Force F-22 Raptor executes a supersonic flyby over the flight deck of the aircraft carrier USS John C. Stennis (CVN 74) in the Gulf of Alaska, in this handout photo taken on June 22, 2009. The John C. Stennis is participating in Northern Edge 2009, a joint exercise focusing on detecting and tracking units at sea, in the air and on land. Picture taken on June 22, 2009. REUTERS/Ronald Dejarnett/U.S. Navy/Handout