The F-35 Joint Strike Fighter program expected to have an approved Block 4 follow-on modernization capability development plan in hand this summer, but officials now expect that document will not be approved by the Joint Requirements Oversight Council until later this year. Air Force Air Combat Command is the program's lead for establishing the program's Block 4 capability development document and has been working with the Navy, Marine Corps and international partners to determine requirements for follow-on modernization. Inside the...
