Students of the 435th Security Forces Squadron’s Ground Combat Readiness Training Center’s Security Operations Course calculate the distance of a target during the range calculation portion of the course on Ramstein Air Base, Germany, March 25, 2017. The range calculation training was one of six stations the students went through during this portion of the class. Airmen assigned to the 86th SFS, 422nd SFS, 100th SFS, and 569th U.S. Forces Police Squadron participated in the course. (U.S. Air Force photo by Senior Airman Tryphena Mayhugh)