Keywords: 110728-A-AS768-003 (5988127412).jpg Serbian and Ukrainian Soldiers conduct medical evacuation drills together during Exercise Rapid Trident 2011 in Yavoriv Ukraine July 28 2011 Rapid Trident is an annual joint combined exercise involving the U S and Partnership for Peace member nations Missions alternate in odd and even years In odd years Rapid Trident is a field exercise while in even years the exercise incorporates a command post exercise DoD photo by Staff Sgt Brendan Stephens U S Army/Released https //www flickr com/photos/39955793 N07/5988127412/ 110728-A-AS768-003 2011-07-28 08 42 https //www flickr com/people/39955793 N07 U S Department of Defense Current Photos PD-USGov U S Department of Defense Current Photos https //flickr com/photos/39955793 N07/5988127412 2016-09-03 13 53 38 United States Government Work 173rd Airborne Brigade Combat Team Rapid Trident 2011 The Rock Yavoriv Army of Serbia United States European Command United States Department of Defense |