air-to-air missile. Henschel Hs 293 – a pioneering MCLOS-guided, launch-boosted air-to-ship missile using the Kehl-Straßurg radio link as with the Fritz X, used in combat from 1943 to 1944. Henschel Hs 294 – an MCLOS-guided air-to-ship missile/torpedo. Henschel Hs 298 – an air-to-air missile. R4M Orkan "Hurricane" – an unguided air-to-air rocket. Rheinbote "Rhine Messenger" – the first short-range ballistic missile. Rheintochter "Rhinedaughter" – a manually guided surface-to-air missile. Ruhrstahl X-4 – a wire-guided liquid-fueled air-to-air missile intended to be usable with the Ta 183. Taifun "Typhoon" – a planned unguided surface-to-air missile. Wasserfall Ferngelenkte Flakrakete "Waterfall Remote-Controlled A-A Rocket" – a supersonic surface-to-air missile. Werfer-Granate 21 – a heavy-calibre (21 cm/8 inch) unguided air-to-air rocket, in use by the summer of 1943. G7es/Zaunkönig T-5 – acoustic homing torpedo used by U-boats. Orbital Sonnengewehr (sun-gun) – a parabolic mirror in orbit designed to focus sunlight onto specific locations on the Earth's surface. Rifles Jagdfaust – an automatically firing airborne anti-bomber recoilless rifle for use on the Me 163. Mauser MG 213 – a 20 mm aircraft mounted revolver cannon. Mauser MG 213C – a 30 mm aircraft mounted revolver cannon. Fallschirmjägergewehr 42 – an automatic battle rifle developed specifically for the Fallschirmjäger. Sturmgewehr 44 – the first assault rifle. "Krummlauf" – a curved barrel for the StG44 (mp44 or Sturmgewehr). Sturmgewehr 45 – prototype. Mission equipment Zielgerät 1229 "Vampir" – active infrared night vision gunsight system for the Sturmgewehr 44. FG 1250 Tank Mounted night-vision equipment. Purported Die Glocke Directed-energy weapon Nazi UFOs ("Haunebu" saucers) Similar developments in Axis powers Japan Japanese nuclear weapons program – the largest submarines of World War II and remained the largest ever built until the construction of ballistic missile submarines in the 1960s. Design A150-class battleship (also known as the “Super Yamato-class battleship”) – a successor to the Yamato with added features. Ki-200 interceptor – Japanese version of the Me 163. J9Y Kikka – Japanese version of the Me 262. G5N Shinzan – a prototype bomber developed as a part of Project Z, the Japanese counterpart of Amerikabomber project. G10N Fugaku – a planned Japanese ultra-long range bomber comparable in size with the American B-36 Peacemaker developed as a part of Project Z. MXY-7 Ohka – a rocket-powered kamikaze aircraft. O-I super-heavy tank – a 150-ton super-heavy tank project with an obscure history. Romania 75 mm Reșița Model 1943 – an anti-tank gun with