U.S. Navy Hospital Corpsman 1st Class Encarnacion Nunez, left, assigned to Federal Health Care Center in Great Lakes, Ill., and Capt. Regina ONan, second from left, assigned to Naval Branch Health Clinic, Norfolk, Va., demonstrate proper eye examination techniques to Cameroonian Rapid Intervention Battalion personnel during a medical workshop as part of Africa Partnership Station (APS) 2013 in Douala, Cameroon, March 27, 2013. APS is an international security cooperation initiative facilitated by Commander, U.S. Naval Forces Europe-Africa aimed at strengthening global maritime partnerships through training and collaborative activities in order to improve maritime safety and security in Africa.