Germany, Hungary, Portugal, Spain, and Switzerland used the Ju 52 during World War II.
The Luftwaffe used the Junkers Ju 52 on all fronts.
The Ju 52 was used mostly as a transport, but it was also used as a bomber, flying classroom, minesweeper, glider tug, and other roles.
There were 200 Ju 52s that equipped 30 airlines before 1940.
The Luftwaffe used the Ju 52/3mg3e as a heavy bomber in its first bomber squadrons.
Spanish Civil War
Twenty Ju 52s were sent to Spain in the Condor Legion and were used mostly for transport. Some of the Ju 52/3mg3es in Spain were used as bombers. They were flown for 13,000 operational hours and dropped around 6,000 tons of bombs.
Eve of Invasion of Poland
The Luftwaffe had 552 Ju 52s before the invasion of Poland. 547 of those were the Ju 52/3ms.
In three months 22,399 tonnes / 22,045 tons of supplies were air lifted to six divisions.
After the War
The Swiss Fliegertruppe flew the Ju 52/3ms into the 1980s.