(Left) U.S. Air Force Airman 1st Class Aline Lentini, 52nd Medical Group Bioenvironmental Engineering technician and Tech. Sgt. Luis Hernandez, 48th Medical Group Bioenvironmental Engineering technician, review notes after inspecting a water treatment facility, during the U.S. Air Forces Expeditionary Medical Support training Sept. 18, 2015 in Vipava, Slovenia. The training is part of a 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)