Oregon Army National Guard Pilot, Chief Warrant Officer-2 Kevin Hansen, prepares a UH-60 Blackhawk helicopter for takeoff while assisting Multnomah County Sheriff's Department with a search and rescue mission for a lost boy in Portland, Ore., June 12. Hansen and his aircraft are part of Charlie 7-158 Aviation, based in Salem, whose MEDEVAC missions are utilized throughout the state to assist county incident commanders, conducting more than 100 annual rescue missions throughout Oregon.