Senior Airman Anthony Biakpara, 433rd Civil Engineer Squadron engineering apprentice, completes a satellite survey of the exercise accident site on Laughlin Air Force Base, Texas, Aug. 21, 2014. Biakpara, on temporary duty from Joint Base San Antonio-Lackland, ensures the location of the accident site is determined and recorded using a small, portable global positioning satellite receiver to accurately identify the accident site location and general distances between objects in the debris pattern. (U.S. Air Force Photo by Airman 1st Class Ariel D. Delgado)(Released)