Defender Challenge Low-Crawl
Maj. Aaron Gulczynski, commander of the 128th Security Forces Squadron, leads Airman through a low-crawl obstacle that is part of the 128 SFS Defender Challenge during a unit training assembly here Aug. 9, 2014. The 128 SFS Defender Challenge is comprised of several challenging obstacles, including flipping tires, low-crawling, breaking down weapons, weapons precision and knowledge tests, and is held to test security forces members' endurance, career field knowledge, and team work. (U.S. Air National Guard photo by Staff Sgt. Jenna V. Lenski/Released)