Maj. Courtney Finkbeiner, a Greenwood, Ark., native from the U.S. Air Force School of Aerospace Medicine, Wright-Patterson Air Force Base, Ohio, demonstrates c-spine immobilization during the Critical Lifesaving Skills for First Responders course here May 29, 2012. During the course, instructors from the Defense Institute for Medical Operations worked with other countries' medical practitioners attending Shared Resilience 2012 to exchange medical ideas and techniques. More than 500 military members from nine nations are participating in 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.