with Alenia Aeronautica for the refurbishment of a total of five G.222s, as well as the purchase of a retired AMI G.222. In 1990, the United States Air Force selected the G.222 as the basis of a "Rapid-Response Intra-Theater Airlifter" (RRITA). Operated under the designation C-27A Spartan, ten G.222s were purchased and underwent avionics upgrades by Chrysler Aerospace. These aircraft were stationed at Howard AFB, Panama. The USAF would later dispose of their C-27A fleet, partly due to shifting priorities between the Army and the Air Force and partly because of the impending introduction of a newer variant, the Alenia C-27J Spartan. Design The G.222 is a twin turboprop-engine tactical military transport aircraft, and is designed to be capable of transporting equipment or troops in combat zones and operating with minimal ground support. Early production aircraft were exclusively fitted with the General Electric T64-GE-P4D turboprop engine, the licence-built Rolls-Royce Tyne was made available as an alternative powerplant for the type from 1980 onwards, while the Allison T56 was another proposed powerplant for the type. Due to features such as double-slotted flaps, stacked brakes, and reversible propellers, the G.222 has excellent short landing capabilities and is able to land in as little as 1,800 feet. It was designed to be integrated with the larger, commonplace Lockheed C-130 Hercules. The G.222's cargo deck can carry up to 9,000 kg (19,840 lb) of cargo, or alternatively up to 53 troops, or 32 paratroopers, or a maximum of 36 stretchers with six attending medics in a medevac capacity. The cargo deck has a large rear ramp, allowing the loading of palletised goods and vehicles, as well as sliding doors on either side of the fuselage, which are capable of being used to deploy paratroopers. Various pallet-based special mission equipment could be readily installed to enhance the aircraft's capabilities for diverse roles such as VIP transport, maritime patrol, aerial firefighting, and calibration functions; this equipment could also be removed quickly in order for aircraft to be returned to conventional transport missions. To easily facilitate the loading of a wide range of cargos, the height of the landing gear can be manually controlled. In part due to the austere maintenance requirements of the G.222 and its capability of operating from short unprepared airstrips in remote regions, it has seen heavy use for performing various humanitarian missions across Africa, East Asia, Europe and Central America. The cockpit