US Air Force Captain Steve Sugiyama fires his M16A2 rifle down range as US Air Force STAFF Sergeant Corey E. Morgan, from the 11th Wing team and armed with an M16A2 rifle with grenade launcher, watches his accuracy during the combat rifle event at Camp Bullis, Texas, during DEFENDER CHALLENGE 2000. 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