Spc. Raphael Contreras, a gunner with Anvil Troop,

Spc. Raphael Contreras, a gunner with Anvil Troop, 1st Squadron, 91st Cavalry Regiment, 173rd Airborne Brigade, observes the area before eliminating a target during the platoon live fire exercise May 29, at the Central Training Area near Tapa, Estonia. The exercise took place during Operation Atlantic Resolve, an on-going series of exercises designed to build relationships, trust and interoperability between the U.S. and its NATO allies. (U.S. Army Photo by Sgt. Juana M. Nesbitt, 13th Public Affairs Detachment)