Air Force Materiel Command PETTY Officer Second Class Scott S. Faculak, fires at targets to zero his power M60 weapon during the combat weapons competition of DEFENDER CHALLENGE 2000 at Camp Bullis, Texas. Defender Challenge is the annual Air Force wide competition sponsored by Air Force Security Forces. This competition showcases the talents and capabilities of 13 international Security Forces teams in seven physical fitness, base defense and policing skills over six days