>>1442649Its been heating up for a few years, and the air force had been trying to get money in the budget to start the program this year. Actual delivery is going to be a while, because they want industry to submit bids, then a few bids will be contracted to provide prototypes before final selection.
A bunch of lobbying videos popping up on youtube from manufacturers. One from Boeing claims 40% range increase, 30X reduction in noise and the new engines would never need overhaul for the remainder of the aircraft life.