Senior Airman Sang Won Lee, 102nd Fighter Squadron aircrew flight equipment technician (left), and Senior Airman John Temple, 8th Operations Support Squadron aircrew flight equipment journeyman, prepare to conduct a 12-p mask fit test during Exercise Buddy Wing 15-2, at Daegu Air Base, Republic of Korea, Feb. 4, 2015. Conducted multiple times a year to promote cultural awareness and sharpen combined combat capabilities, Wolf Pack Airmen worked alongside their ROKAF counterparts during the four-day exercise. (U.S. Air Force photo by Senior Airman Katrina Heikkinen/Released)