U.S. Soldiers, assigned to Charlie Company, 112th Signal Battalion, conduct Preventative Maintenance Checks and Services on their High Mobility Multipurpose Wheeled Vehicles for a night driving course during Shadowstrike at Camp Lejeune, N.C., April 27, 2015. Shadowstrike is a Field Training Exercise during which Soldiers train in the technical and tactical aspects of their military career. (U.S. Army photo by Spc. Richard Gerszewski/Released)