U.S. Navy Petty Officer 2nd Class Christopher Spears from San Diego, Calif., assigned to Commander, Naval Region Southwest, instructs an Iraqi police officer on taking a bite from a dog on his protective arm wrap during a training mission on Contingency Operating Base Adder, Dhi Qar, Iraq, Sept. 24, 2009. The petty officer provided demonstrations to the Iraqi police on explosives searching techniques with K-9s.