From the MILTECH BRIEF event dataset — every item we publish is logged as a structured, source-graded record. Stated values only; we never estimate.
The US Navy has certified Rolls-Royce mtu Series 4000 and Series 2000 marine engines for use aboard autonomous naval vessels, following reliability testing to demonstrate extended operation without human maintenance, according to UK Defence Journal. The certification enables the engines to power uncrewed surface vessels over prolonged deployments. No specific platform or contract was named.
Rolls-Royce has completed a decade-long $1 billion investment programme expanding manufacturing, assembly and engine-test capacity in Indiana. The facilities support military aircraft including the B-52, C-130J, V-22 and MQ-25A. The investment increases production throughput and test-cell capacity for turboprop and turbofan engines used across the US military fleet. Rolls-Royce did not break out individual facility costs or employment figures.