
U.S. soldiers fire ceremonial rounds from M1A2 Abrams tanks at the Adazi training area, in Latvia, last November.

Dragoons assigned to Head Hunter Troop, 2nd Squadron, 2nd Cavalry Regiment load their Strykers and equipment onto a local railway as they prepare for their upcoming rotation in support of Operation Atlantic Resolve at Rose Barracks, Germany, March 11, 2015.

Dragoons from Lightning Troop, 3rd Squadron, 2nd Cavalry Regiment participate in Operation Atlantic Resolve. They wear ribbons representing the Lithuanian flag during an Independence Day event in Vilnius, Lithuania, March 11, 2015.

Dragoons from Iron Troop, 3rd Squadron, 2nd Cavalry Regiment, conduct a combined training exercise with Estonian soldiers in support of Operation Atlantic Resolve, March 7, 2015, in Rabassare, Estonia.

Dragoons from Iron Troop, 3rd Squadron, 2nd Cavalry Regiment, train with Estonian Allies in support of Operation Atlantic Resolve, March 7, 2015, in Rabassare, Estonia.

U.S. Army Pfc. William Chaput, left, and Staff Sgt. Demarcus Credit, both of Lightning Troop, 3rd Squadron, 2nd Cavalry Regiment, scan for enemy activity during a combined training exercise at Pabrades training area, March 4, 2015.

A Lithuanian soldier from 3rd Company, Algirdas Mechanized Infantry Battalion waits in an M113 armored personnel carrier during a combined live-fire exercise with U.S. troops at Pabrade training area, Lithuania, March 4, 2015.

Lithuanian soldiers, left, of 3rd Company, Algirdas Mechanized Infantry Battalion, advance in a M113 armored personnel carrier with U.S. Troopers from 3rd Platoon, Lightning Troop, 3rd Squadron, 2nd Cavalry Regiment, following close behind at Pabrade Training Area, Lithuania, March 2, 2015.

U.S. troopers of 3rd Platoon, Lightning Troop, 3rd Squadron, 2nd Cavalry Regiment, load into a Stryker during a live-fire joint training exercise with Lithuanian soldiers of 3rd Company, Algirdas Mechanized Infantry Battalion, in support of Operation Atlantic Resolve, on March 2, 2015.

A Bangalore torpedo explodes at a demolition range during a training exercise at Pabrade training area, Lithuania, February 27, 2015. Dragoons of Lightning Troop, 3rd Squadron, 2nd Cavalry Regiment, spent the day learning the process of assembling and detonating makeshift explosives.

Soldiers of Iron Troop, 3rd Squadron, 2nd Cavalry Regiment rider Strykers through the Estonian Independence Day parade in February.