Two Delaware State Police Bell 407 helicopters return to Dover Air Force Base, Del. while a United States Air Forc C-5M Super Galaxy flies in the background. Personnel from the 436th Operations Support Squadron, air traffic control section, gained insight in to the world of helicopter operations through a briefing and orientation flight with the Delaware State Police, aviation section, Sept. 18, 2013, at Dover Air Force Base, Del. Dover's air traffic controllers often communicate with Del. State Police helicopters such as the Bell 407's they got to fly in as they transit the bases' airspace. (U.S. Air Force photo/Greg L. Davis)