this has been in Boeing news for a few days now, but I read some more on the T-100, and T-50 Trainers filling the A-X2 slot, the T-100 is supposed to be pretty advanced.
Anyhooo
U.S. Air Force Eyes Two-Step Approach To A-10 Replacement
Aviation Week.com 07/27/2016
Author: Lara Seligman
The U.S. Air Force is contemplating pursuing a low-end, light attack