Air Force Tech. Sgt. Seth Sarrett, 374th Operations Support Squadron survival, evasion, resistance and escape (SERE) specialist, recovers his parachute after conducting a high altitude, low opening (HALO) jump over Yokota Air Base, Japan, Dec. 13, 2021. U.S. Marines and a U.S. Air Force SERE specialist conducted week-long jump training using Air Force and Navy aircraft. The training supports the U.S. Indo-Pacific Command’s dynamic force employment (DFE) concept through agile combat employment (ACE), which supports the National Defense Strategy effort to conduct training with joint partners while maintaining global peace and security.