Anthropomorphic test devices, also known as test dummies, sit inside of a Sea Knight CH-46E after a controlled aircraft crash at NASA Langley Research Center in Hampton, Va., Aug. 28, 2013. The test was composed of 13 anthropomorphic test devices, two mannequins, 18 cameras aboard the aircraft, 11 cameras monitoring from outside the aircraft and approximately 350 channels of data. (U.S. Air Force photo by Staff Sgt. Stephanie Rubi/Released)