Staff Sgt. Jacob Skjei, 455th Expeditionary Civil Engineer Squadron Dirt Boy, smooths freshly laid concrete within a footer at Bagram Airfield, Afghanistan, May 03, 2016. Civil Engineer personnel can construct runways and airfields in remote global locations in addition to maintaining facilities already in use. (U.S. Air Force photo by Senior Airman Justyn M. Freeman)

Members of the 455th Expeditionary Civil Engineer Squadron pour, distribute, release trapped air bubbles, and smooth out concrete at Bagram Airfield, Afghanistan, May 03, 2016. Civil Engineer personnel can construct runways and airfields in remote global locations in addition to maintaining facilities already in use. (U.S. Air Force photo by Senior Airman Justyn M. Freeman)

Members of the 455th Expeditionary Civil Engineer Squadron pour concrete into a cement footer at Bagram Airfield, Afghanistan, May 03, 2016. These professionals are part of a team that does everything from operating heavy construction equipment to laying down foundations in order to care for and create facilities across Bagram Airfield. (U.S. Air Force photo by Senior Airman Justyn M. Freeman)

Staff Sgt. Casey Epps, 455th Expeditionary Civil Engineer Squadron Dirt Boy, levels out dirt for the placement of a footer at Bagram Airfield, Afghanistan, May 03, 2016. These professionals are part of a team that does everything from operating heavy construction equipment to laying down foundations in order to care for and create facilities across Bagram airfield. (U.S. Air Force photo by Senior Airman Justyn M. Freeman)

Senior Airman Jacob Nevills, 455th Expeditionary Civil Engineer Squadron Dirt Boy, washes the concrete from his face after helping fill a footer at Bagram Airfield, Afghanistan, May 03, 2016. Members of the 455th ECES are digging out eight trenches to house eight footers for the future placement of four relocatable buildings. (U.S. Air Force photo by Senior Airman Justyn M. Freeman)

Senior Airman Jacob Nevills, 455th Expeditionary Civil Engineer Squadron Dirt Boy, balances himself on the walls of the footer while holding the hose to direct the flow of concrete at Bagram Airfield, Afghanistan, May 03, 2016. Members of the 455th ECES are digging out eight trenches to house eight footers for the future placement of four relocatable buildings. (U.S. Air Force photo by Senior Airman Justyn M. Freeman)

Senior Airman Jacob Nevills, 455th Expeditionary Civil Engineer Squadron Dirt Boy, holds a hose to direct the flow of concrete to construct footers at Bagram Airfield, Afghanistan, May 03, 2016. Members of the 455th ECES are digging out eight trenches to house eight footers for the future placement of four relocatable buildings. (U.S. Air Force photo by Senior Airman Justyn M. Freeman)

Members of the 455th Expeditionary Civil Engineer Squadron fill, edge, and smooth out new concrete for a footer at Bagram Airfield, Afghanistan, May 03, 2016. The 455th ECES personnel can construct runways and airfields in remote global locations in addition to maintaining facilities already in use. (U.S. Air Force photo by Senior Airman Justyn M. Freeman)