Mariah Johnson, a 52nd Force Support Squadron value-added tax officer, right, and U.S. Air Force Senior Airman Tazz Berry, a 52nd Security Forces Squadron patrolman, practice grappling techniques in Jiu-Jitsu class at the Eifel powerhaus at Spangdahlem Air Base, Germany, March 8, 2016. Johnson practices with her classmates nearly every day. (U.S. Air Force photo by Airman 1st Class Timothy Kim/Released)