Defenders tackle Crow Creek Challenge Published Sept. 15, 2015 By Airman 1st Class Malcolm Mayfield 90th Missile Wing Public Affairs F.E. WARREN AIR FORCE BASE, Wyo. -- The 90th Security Forces Group held their 21st annual Crow Creek Challenge September 11 on Warren. Airmen from the 90th SFG competed in various challenges, including a ruck march, self-aid buddy care and Team Pain. The 790th Security Forces Tactical Response Force team won this years challenge with a final score of 68, with the second highest score, one point behind.