BA-64 [SEP] service entry
What was the year that BA-64 entered service? What year was BA-64 commissioned? In what year did BA-64 enter service? What year did BA-64 come into use? What year was the service entry date for BA-64? What year is BA-64 associated with? What year was BA-64 introduced? In which year was the service entry date for BA-64? What was the year BA-64 entered service? Which was the official year for the approval of BA-64? What year was BA-64 made?
1942