production commenced at Fili in August 1923 where it was known as the Ju 21 (Юнкерс Ю 21 in Cyrillic). The production version differed from the prototypes in... 5 KB (502 words) - 21:21, 16 April 2021 |
production commenced at Fili in August 1923 where it was known as the Ju 21 (Юнкерс Ю 21 in Cyrillic). The production version differed from the prototypes in... 5 KB (502 words) - 21:21, 16 April 2021 |