Board Thread:Fleet's Prepared-ness/@comment-28439911-20170914035219/@comment-24930367-20170914035803

You can, if you are willing to, get another F6F-3 by improving it all the way from F4F-4, which comes with Saratoga Kai.

....also I'm pretty sure you can recover resources while improving F4F-4 to F6F-3.