After roughly $1.5 billion spent over two decades, the future of the U.S. Army's Improved Turbine Engine Program is in question.

U.S. soldiers pull security during the Super Garuda Shield exercise at Puslatpur, Indonesia, on Sept. 6, 2023. (Sgt. 1st Class Austin Berner/U.S. Army) WASHINGTON ― U.S. Army commanders ...