U.S. Air Force Airman 1st Class Jason Noyes, 1st Maintenance Squadron low observable aircraft structural maintenance apprentice, and Senior Airman Chris Buentello, 1st MXS low observable aircraft structural maintenance journeyman, participate in an intense physical training regimen at Langley Air Force Base, Va., Nov. 22, 2011. The unit’s head physical training leader designed a PT regimen with circuits designed to be intense and teach Airmen challenging and fun new ways to work out to improve their overall fitness. (U.S. Air Force Photo by Airman 1st Class Racheal Watson/Released)