A dry-lease arrangement can also be made between a major airline and a regional airline, in which the major airline provides the aircraft and the regional operator provides flight crews, maintenance and other operational aspects of the aircraft, which then may be operated under the major airline's name or some similar name. A dry lease saves the major airline the expense of training personnel to fly and maintain the aircraft, along with other considerations (such as staggered union contracts, regional airport staffing, etc.). FedEx Express uses an arrangement of this type for its feeder operations, contracting to companies such as Empire Airlines, Mountain Air Cargo, Swiftair, and others to operate its single and twin-engined turbo-prop "feeder" aircraft in the US.