The primary mission of a navy was to secure the command of the sea, which would permit the maintenance of sea communications for one's own ships while denying their use to the enemy and, if necessary, closely supervise neutral trade.
The primary mission of a navy was to secure the command of the sea. The sea would permit the maintenance of sea communications for one's own ships while. The sea is denying their use to the enemy. The sea would closely supervise neutral trade.