護ご送そう船せん団だん

noun

convoy of ships

Refers to a group of ships traveling together under escort for protection, typically in a military or wartime context.

• 護ご送そう船せん団だんは敵てきの潜せん水すい艦かんに警けい戒かいしながら進すすんだ。

  The convoy of ships proceeded while watching out for enemy submarines.