はつゆき がた護衛 ごえう かんであれば
hatsuyukigata goeukandeareba

Noun
Da Copula

The "-eba" conditional form ("if/when…") of はつゆき型護衛艦

1. If it is a Hatsuyuki-class destroyer; Assuming it's a Hatsuyuki-class destroyer

Ba Conditional