
And Block F has a hidden in-wing gun. A little trap door at the front of the wing pops open to fire the gun, then closes. It's projected to fly in 2019 (subject to slippage, of course).

External weapons do indeed kill the whole stealth configuration.
F-15E could do it better for far less.
See post 34. http://www.freerepublic.com/focus/chat/3512083/posts?page=34#34