The Marine Corps has determined Class A aviation mishaps that have occurred in recent years are due to human error and are not mechanical failure, according to the service's top aviator. Lt. Gen. Jon Davis, deputy commandant for aviation, told reporters during a Feb. 1 Defense Writers' Group breakfast in Washington he and his team look at each Class A mishap investigation report in great detail. A Class A mishap is one that involves loss of life or damage costing...