At least three different aircraft will participant in the U.S. Air Force’s light attack experiment, commonly referred to as OA-X, according to the companies involved. All that remains to be seen is just how serious the service actually is about pursuing the concept. On May 12, 2017, Sierra Nevada Corporation (SNC) issued a press release on behalf of itself and its partner, Embraer Defense & Security, announcing that they would be sending their A-29 light attack aircraft to the Air Force’s evaluation. On May 15, 2017, Textron Aviation sent out a notice that its AT-6 Wolverine and Scorpion aircraft were...