Petty Officer 3rd Class Loralee Swanson, a trombone

Petty Officer 3rd Class Loralee Swanson, a trombone player from Rapid City, S.D., and Petty Officer 3rd Class Trent Perrin, a saxophone player from Worthington, Ohio, perform warm-up exercises before their performance in Port-au-Prince, Haiti, during Continuing Promise 2011. Continuing Promise is a five-month humanitarian assistance mission to the Caribbean, Central and South America. (U.S. Air Force photo by Staff Sgt. Courtney Richardson)