52nd SFS members keep current with land navigation training Published Nov. 17, 2017 By Senior Airman Preston Cherry 52nd Fighter Wing Public Affairs SPANGDAHLEM AIR BASE, Germany -- U.S. Air Force Staff Sgt. Brainard Moore, 52nd Security Forces Squadron flight chief, familiarizes himself with a Defense Advanced GPS Receiver during the classroom portion of land navigation training at Spangdahlem Air Base, Germany, Nov. 14, 2017. Members from the 52nd SFS learn land navigation skills in technical school but used this training to keep current on their skills and techniques. (U.S. Air Force photo by Senior Airman Preston Cherry)