Sierra Nevada exits U.S. Navy T-45 replacement contest, leaving Textron-Leonardo’s M-346N as sole bid
Sierra Nevada Corporation has withdrawn its clean-sheet trainer proposal from the U.S. Navy competition to replace its T-45 Goshawks. The exit leaves the Textron Aviation Defense-Leonardo team, offering the M-346N, as the only remaining contender after Boeing and Lockheed Martin also left the contest.