...ity, fast steamers drawing not more than 18 feet of water, and carrying about 250 heavy guns; also a flotilla of mortar-vessels, to be used in case it should be necessary to bombard Forts Jackson and St. Philip before the fleet should attempt to pass them. I also proposed that a body of troops should be sent along in transports to take possession of the city after it had been surrendered to the navy. Wh...