U.S. Army Sgt. 1st Class Ana Silva, 1st Battalion, 222nd Aviation Regiment operations noncommissioned officer, completes a pull-up at Joint Base Langley-Eustis, Va., Jan. 27, 2014. Service members can use the fitness programs such as Correct and Re-implement to focus on reconditioning, realigning and stabilizing the body. (U.S. Air Force photo by Staff Sgt. Ciara Wymbs/Released)