Rolls-Royce Tests Powerful New Engine for U.S. Army’s Next-Gen MV-75 Aircraft Rolls‑Royce has begun testing a next-generation aircraft engine designed for the U.S. Army’s upcoming MV-75 Future Long-Range Assault Aircraft. This aircraft is part of the Army’s push to replace aging helicopters with faster, longer-range vertical-lift platforms capable of operating deep inside contested environments. The new engine is engineered to deliver significantly higher power, improved fuel efficiency, and enh