The Navy is facing several challenges before it can declare the F-35C wartime ready in 2019, including how Block 3F software will perform during operational testing, green-glow emitting from the Gen III helmet and cockpit oscillations when the jet conducts takeoffs and landings from an aircraft carrier, according to a service official. Rear Adm. Dale Horan, Navy F-35C fleet integration office director, told Inside the Navy March 29 during an interview at the Pentagon initial operational capability for the F-35C...