Pfc. Octavius Wilburn, a supply clerk for K Troop,

Pfc. Octavius Wilburn, a supply clerk for K Troop, 3rd Squadron, 2d Cavalry Regiment, lays sandbags to create a protective barrier at Drawsko Pomorskie Land Forces Training Center, Poland, March 2, 2015, where a three-day live-fire training exercise involving U.S. and Polish forces is about to commence. The training is part of Operation Atlantic Resolve, a U.S. Army Europe-led land force assurance training mission taking place across Eastern Europe to enhance multinational interoperability, strengthen relationships among allied militaries, contribute to regional stability and demonstrate U.S. commitment to NATO. (U.S. Army photo by 1st Sgt. Jim Wagner / Released)