| req = ''Destroyer Division training mission: Form a fleet comprised of three members of the elite 21st Destroyer Division. Initiate extra hard before-operation training and secure four training victories with this fleet within one day!'' | | req = ''Destroyer Division training mission: Form a fleet comprised of three members of the elite 21st Destroyer Division. Initiate extra hard before-operation training and secure four training victories with this fleet within one day!'' |