The Air National Guard seems to be making some serious investments in their F-15 Eagle force (unlike the active duty folks). Looks like they are going to be fielding conformal fuel tanks and adapters to permit more AMRAAMs to be carried.
More info here.
http://www.thedrive.com/the-war-zone/18259/its-back-to-the-future-for-u-s-f-15c-eagles-and-conformal-fuel-tanks