A UH-60L Black Hawk helicopter from 2/285th Assault

A UH-60L Black Hawk helicopter from 2/285th Assault Helicopter Battalion, 98th Aviation Troop Command, an Arizona National Guard unit out of Phoenix, Ariz., uses the Panama canal as land reference to fly "nap of the earth" from Colon to Panama City March 13, 2013. The aircraft crew members are part of Beyond the Horizon 2013-Panama. BTH 2013-Panama, sponsored by U.S. Southern Command with operational support from U.S. Army South, deploys U.S. military engineers and medical professionals to Panama to provide humanitarian and civic assistance in cooperation with the host nation from March though June 2013. (U.S. Army photo by Sgt. 1st Class Walter E. van Ochten)