A Romanian soldier assigned to the Romanian Land Forces tries out an M2 .50-caliber machine gun belonging to troopers assigned to 2nd Squadron, 2nd Cavalry Regiment, during a static display provided by the squadron after both units, along with British soldiers assigned to the Coldstream Guards, participated in the opening ceremony for Wind Spring 2015 at Smardan Training Area, Romania, April 16, 2015. The Wind Spring 2015 exercise is aimed at maintaining and increasing interoperability between NATO allies. (U.S. Army photo by Sgt. William A. Tanner/released)