U.S. Air Force Capt. Mark Lyerly, Air Mobility Command Test and Evaluation Squadron C-130 navigator instructor, Joint Base McGuire-Dix-Lakehurst, N.J., chats with Cameroon Air Force Capt. Mindie Yannick, a C-130 navigator, before boarding a CAF C-130, during Central Accord 2013, at Douala Air Force Base, Douala, Cameroon, February 23, 2013. Lyerly of Niceville, Fla., is participating in Central Accord 2013, a joint exercise in which U.S., Cameroon and neighboring Central African militaries partner to promote regional cooperation while increasing aerial resupply and medical readiness capacity. (U.S. Air Force photo/Master Sgt. Stan Parker)