Sgt. Andrew Dominguez, an infantryman assigned to

Sgt. Andrew Dominguez, an infantryman assigned to Headquarters and Headquarters Troop, 2nd Squadron, 2nd Cavalry Regiment, ground guides a Stryker Combat Vehicle onto a train during the unit's railway loading operation at Mihail Kogalniceanu Air Base, Romania, May 6, 2015. The squadron will be loading their vehicles and equipment onto trains, over the next two days, in order to transport them to the Cincu Training Center, where they will be conducting training operations with their NATO allies in support of Operation Atlantic Resolve. (U.S. Army photo by Sgt. William A. Tanner/released)