sentences:  She conducted combat training in Ussuri Bay, screened by minesweepers, subchasers, and torpedo boats, in addition to air cover provided by anti-submarine aircraft.She was ordered to prepare for transfer to the Soviet Northern Fleet together with the destroyer via the Northern Sea Route on 24 April 1943 due to the Soviet belief that the Northern Fleet was weaker than its German opponents.She was scheduled for departure on 25 June.