From Air Force Times:

“He has inspired a number of people by the way he as responded to this – his humility,” Welsh said at the Air Force Association’s 2015 national convention. “He has stayed very true to himself from the very beginning. He has not let the moment overwhelm him. He has represented the Air Force very well and very proudly and, basically, he has an instinct for saying and doing the right thing, which I think is going to be a very, very good attribute in a young NCO supervisor.”

The promotion is in addition to the previously announced Purple Heart and Airman’s Medal Stone will receive Thursday. Welsh said that Stone was eligible for the Purple Heart under a precedent set by the 2009 attack at Fort Hood, but he is not eligible for other combat valor awards.