U.S. Army Col. Donald Spaner, a physician assigned to the 256th Combat Support Hospital, Blacklick, Ohio, discusses traumatic brain injury patient care with Cameroon Defense Force physicians and nurses during Central Accord 2013, at Douala Air Force Base, Douala, Cameroon, Feb. 23, 2013. Spaner 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 and increasing aerial resupply and medical readiness capacity. (Photo by Master Sgt. Stan Parker, 621st CRW Public Affairs)