U.S. Navy LT. j.g. Robert Mock lifts a log while working out inside a warehouse during Exercise Natural Fire at Nginyang, Kenya, on Aug. 7, 2006. The 10-day multi-lateral field training exercise involves military personnel from East African Community nations, U.S.-based units and Combined Joint Task Force-Horn of Africa. The exercise will focus on crisis response, military-to-military training and humanitarian events that include medical, veterinary and engineering assistance projects. (U.S. Navy photo by Mass Communication SPECIALIST 2nd Class Roger S. Duncan) (Released)