Travis Gentry, Kuk Sool Won instructor, watches two competitors spar during the 15th annual U.S. Air Forces in Europe martial arts tournament at Ramstein Air Base, Germany, Feb. 28, 2015. Gentry, along with more than 100 other individuals, volunteered during the tournament with judging, registration, medical assistance and security. (U.S. Air Force photo/Senior Airman Timothy Moore)