The F-35 joint program office anticipates having a Block 4 capability development plan approved by the Joint Requirements Oversight Council in April, about 16 months late, according to an official. Lt. Gen. Christopher Bogdan, F-35 program executive officer, told Inside Defense Jan. 24 after a presentation at National Defense University he anticipates the capabilities development document to be approved in March or April. The program initially expected JROC approval in December 2015, Inside Defense previously reported . The program...