Power systems giant Rolls-Royce has won a contract extension by the US Department of Defence to provide its 'MissionCare' services for the F405 (Adour) engines that power the US Navy's T-45 training aircraft.The extension, worth $50.7m to the FTSE 100 firm, continues the existing MissionCare support which has served the US Navy's training fleet over the past decade. MissionCare provides inventory control, logistics support and engineering services."Rolls-Royce MissionCare delivers affordability and availability through innovative service to our customers," said Paul Craig, the President of Rolls-Royce's Defense Services division."The US Navy contract has proven to be one of our most successful partnerships and we take great pride in supporting the training of new aviators for the Navy and Marine Corps."The Adour engine fleet has amassed over 8.6m flight hours across the world and will also power the Hawk AJTS aircraft, which is a contender for the US Air Force T-X trainer programme, the company said.BC