US Air Force (sic, actually Royal Air Force) Corporal Mark Holyday and Royal Air Force Regiment Senior Crewman Alex Holmes, receive last minute instructions before they begin the Base Response event during DEFENDER CHALLENGE 2000 at Lackland Air Force Base, 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 24 events six days.
SRA Tiffanni R. Spann, USAF
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