U.S. Army Pfc. Kyle Grimes, 74th Engineer Dive Detachment, 92nd Eng. Battalion second class diver, listens to instructions on inspecting Third Port’s piers during a diving mission at Joint Base Langley-Eustis, Va., June 20, 2017. Although the divers only swam down a maximum of 30 feet, the team can operate in water 190 feet below the surface. (U.S. Air Force photo/Airman 1st Class Kaylee Dubois)