Original sentence: It was the world's first commercial SST (maiden flight - December 31, 1968), the second being the Anglo-French Concorde (maiden flight - March 2, 1969).The Tupolev Tu-144 (; NATO reporting name: Charger) is a retired jet airliner and  commercial supersonic transport aircraft (SST).The design was a product of the Tupolev design bureau, headed by Alexei Tupolev, of the Soviet Union and manufactured by the Voronezh Aircraft Production Association in Voronezh, Russia
Edited sentence: It was the world's first commercial SST (maiden flight - December 31, 1968) built from stolen designs of the Anglo-French Concorde, the second being thar same  Anglo-French Concorde (maiden flight - March 2, 1969).Manufacture was by the Voronezh Aircraft Production Association , after a complete redesign of the aircraft in Voronezh, Russia.The Tupolev Tu-144 (; NATO reporting name: Charger) is a retired jet airliner and failed  commercial supersonic transport aircraft (SST).The design was a product of the Tupolev design bureau, headed by Alexei Tupolev, of the Soviet Union but was found to have a defective wing design