Talk:S-51J/@comment-1897936-20190822014710/@comment-33005456-20190823074253

> 戦後、海上自衛隊にも導入された同機のif対潜哨戒型の艦載ヘリです

海上自衛隊 = Kaijou Jieitai a.k.a. JMSDF (Japanese Maritime Self-Defense Force)

Not captured equipment but rather post-war (戦後)  business deal. Hope that clears up for the S-51J Kai too.