weighted soviet F-35 4320 IL-2 exhaust F-35A Kamov bomb Su-27 bombs Tu-2 Trojan Foxbat Harrier 375 high-explosive Wasp Lightning-II artillery exhaust nozzles wheels guided missile Flanker Ka-56 light prime mover Hawker-Siddeley detailing Sukhoj Yakovlev set F-35C Canadian OFAB-100-120 Mikoyan Ural tow bar Tupolev F-35B T-28 airfield recon tracks helicopter