U.S. Marines and airmen get some pre-game practice before competing in a volleyball match against one another while taking part in a multi-national Sports Day, put in place to build comradery and teamwork during Shared Resilience 2012 in Capljina, Bosnia and Herzegovina, June 2, 2012. Service members from Bosnia and Herzegovina, the United States, and several other countries are taking part in Shared Resilience 2012, a two-week U.S. Joint Chiefs of Staff sponsored medical exercise.