They've detected the sub, they already know Replying to: But a surfaced sub would have a different acoustic signature -- -Corsair- Post ReplyForum motif 10/31/2021, 04:22:54 Author Profile | Edit Recommend | Alert | 5 4 3 2 1 0 -1 -2 -3 -4 -5 Where am IGo Up Go TopPost ReplyBack