US Air Force contract launches Rolls-Royce T56 Series 3.5 upgrade into C-130 fleet
The US Air Force will begin updating its C-130 transport fleet with the Rolls-Royce T56 Series 3.5 engine upgrade after awarding a US$36m contract. Series 3.5 kit deliveries will begin in December 2015 and introduce the engine improvements into USAF and US Air National Guard C-130s. The Series 3.5 upgrade kits are already demonstrating success

