Airman 1st Class Sean Cramer, 28th Aerospace Maintenance Squadron offensive avionics systems apprentice, performs box jumps during Fight Gone Bad crossfit tournament here, Jan. 30. The Fight Gone Bad workout mimics mixed-martial arts training and consists of five exercises, performed for one minute each, with one-minute breaks given after all exercises have been completed. (US Air Force photo/Airman 1st Class Corey Hook)