U.S. Navy Petty Officer 2nd Class Richard Stansbury, Naval Mobile Construction Battalion 3, Port Hueneme, Calif., tends a goal during the Shared Resilience 2012 Sports Day here June 2, 2012. During the sports day, U.S. and Bosnian-Herzegovinian military members played three-on-three half-court basketball, soccer and volleyball. More than 500 military members from nine nations are participating in SR12, the annual U.S. Joint Chiefs of Staff sponsored exercise, May 28 - June 8. The goals of the exercise are to strengthen interoperability, facilitate training in crisis response and disaster management, and validate the readiness of deployable military medical and humanitarian assistance teams. The exercise, in the spirit of partnership for peace, directly supports U.S. European Command's theater cooperation efforts and strategy for active security with European countries.