Jabberwocky
Tech Sergeant
Heck, how many flight worthy airframes of F-15Cs or Es are in the boneyard? That'd be way funner than A-10s.
Flight worthy? No idea.
But there are currently 184 F-15C and a single F-15E stored at the 309th Aerospace Maintenance and Regeneration Group (AMARG).
You can search the inventory here: The AMARC Experience - The AMARC Experience