U.S. Air Force Airman 1st Class Ryan Maxwell, 606th Air Control Squadron material management technician from Yorktown, Va., demonstrates the low-crawl technique at a combat readiness training course April 18, 2013. Those who graduate CRT become experts in deployment planning and implementation, weapons handling, preventive medicine, personal hygiene, site security, Law of Armed Conflict, use of force, enemy prisoners of war handling and counter improvised explosive device principles. (U.S. Air Force photo by Airman 1st Class Gustavo Castillo/Released)
Airman 1st Class Gustavo Castillo
Taken on 18 April 2013
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