Soldiers from the 31-1st Infantry Regiment, King’s Guard Rapid Deployment Force, and Soldiers from 2nd Stryker Brigade Combat Team, 25th Infantry Division, work together during military training exercise Cobra Gold 15 in Lop Buri, Thailand, Feb. 7. Cobra Gold 15 is a joint exercise between the Royal Thai Army and the U.S. Army focusing on interoperability, humanitarian civic action and community engagements. (U.S. Army photo by 2nd Stryker Brigade Combat Team)