[Non-Sequitur]

What do you have to support this? If such a system did exist how practical would it be since there is no way for a submerged submarine to target the aircraft and if it surfaced or stuck up a mast with radar it would just give away it's position.

[DoughtyOne]

Consider also that the missile that went up did not have to come from a surfaced sub. There may have been one that wasn't surfaced, while the others observed.