Look up: Ju 52

1. 
   Ju 52
   (from the article `Junkers, Hugo`) ...`Jumo` aircraft engines, designed one of the first turbojet engines during World War II, and played an important part in German airpower during ... ...the developments of World War II that had no continuing place in postwar air forces, but the transport airplane was only at the beginning o...
   Found on http://www.britannica.com/eb/a-z/j/26
   
   
2. 
   Junkers Ju 252
   The `Junkers Ju 252` was a transport plane manufactured by Junkers that made its first flight in late October 1941. The aircraft was planned as a replacement for the Junkers Ju 52/3m, but only a small number were built. One of the features of the Ju 252 design was the `Trapoklappe`, this being a hydraulically powered ventral loading ramp which, when fully lowered, allowed loading of heavy vehicles or freight while holding the fuselage level. Alth...
   Found on http://en.wikipedia.org/wiki/Junkers_Ju_
   
   
3. 
   Junkers Ju 352
   The `Junkers Ju 352 `Herkules`` was a World War II transport aircraft that was developed from the Junkers Ju 252. During the late spring of 1942, the Junkers-Dessau project office was instructed by the RLM to investigate the possibility of redesigning the structure of the Junkers Ju 252 transport to make maximum use of non-strategic materials, replacing the Junkers Jumo 211F engines of the Ju 252 with Bramo 323R radial engines. The result follow...
   Found on http://en.wikipedia.org/wiki/Junkers_Ju_
   
   
4. 
   Junkers Ju 52
   The `Junkers Ju 52` (nicknamed `Tante Ju` - `Auntie Ju` - and `Iron Annie`) was a transport aircraft and bomber manufactured 1932 - 1945 by Junkers. It saw both civilian and military service during the 1930s and 1940s. In a civilian role, it flew with well over a dozen air carriers including Swissair and Lufthansa as an airliner and freight hauler. In a military role, it flew with the Luftwaffe as a troop and cargo transport, with a secondary rol...
   Found on http://en.wikipedia.org/wiki/Junkers_Ju_