Senior Airman Derrick K. Uzzle carries an M-16A2 rifle as he runs through an obstacle course. Senior Airman Derrick K. Uzzle carries an M-16A2 rifle as he runs through an obstacle course during a warrior day challenge event at Andersen Air Force Base, Guam, on Dec. 9, 2005. The annual challenge pits teams from different squadrons against each other in six events testing physical fitness, self-aid buddy care, gas mask donning, weapons assembly, and knowledge of the Airman's Manual. Uzzle is attached to the 36th Medical Operations Squadron. SHARE: Download: Full Size (0.04 MB) Credit: VIRIN: 247281-X-GDN34-666.jpg Photo Gallery