 Around noon the frigates <unk> , <unk> , and <unk> were sent on a roundabout route , avoiding some <unk> , to take a position from which they could enfilade the fort 's main firing platform and also cover one of the main escape routes from the fort . However , all three ships grounded on an <unk> <unk> , and the <unk> of <unk> and <unk> became entangled in the process . The British managed to <unk> <unk> and <unk> , but <unk> remained grounded , having moved too far onto the submerged <unk> . Consequently , none of these ships reached its intended position , a piece of good fortune not lost on Colonel <unk> : " Had these three ships effected their purpose , they would have <unk> us in such a manner , as to have driven us from our guns . " 
