chase chase known company designation large assault developed immediately world war united_states_air_force largest built united_states production change requirements modified successful twin engined transport aircraft saw extensive service vietnam war design development following end world war united_states_air_force developed requirement new large assault type replace smaller types service existing having declared obsolete new constructed entirely metal required easily powered configuration year development program contract awarded new_jersey august construction types included smaller model designated larger definitive model designated redesignated establishment largest constructed united_states combat built military featured high mounted wing retractable landing gear auxiliary power unit supplied hydraulic power landing gear flaps nose section reinforced provide optimal protection pilots event crash landing allow strongest possible connection cargo hold feet long feet wide featured innovative configuration rear fuselage integrated loading ramp allowed vehicles driven directly aircraft speeding loading unloading times operational history prototype flew second prototype conducted aircraft flight april following displayed public pope air force base month underwent thorough flight testing late summer evaluated variety transport aircraft florida possessed obvious faults test program confirmed powered assault transport equal landing performance having rendered obsolete assault fell favor air_force project cancelled chase designed aircraft allow easy installation engines modified radial engines prototype long serving provider family transports second prototype returned fitted twin pods jet powered transport aircraft built united_states specifications data provider action general characteristics crew length wingspan height wing area max takeoff weight limited tow aircraft pounds
Chase XCG-20