U.S. Air Force Maj. Richard Rogers, 86th Medical Group nurse anesthetist, and U.S Army Maj. William Ang Abrigo, 352nd Combat Support Hospital Alpha Company member, assemble an anesthesia machine at the U.S. Air Forces Expeditionary Medical Support training site in Vipava army base, Slovenia, Sept. 15, 2015. The training is part of the 13-day multinational, tactical field training exercise, Immediate Response 15. The exercise is designed to allow partner nations and U.S. military services to improve NATO interoperability and regional security. (Photo by U.S. Air Force Tech. Sgt. Eric Donner/Released)