Interesting P-8A question that has floated around for a while.
The USN a few years ago (well after P-8A got started) eliminated the MAD boom and sensor and started funding high-altitude ASW kit such as gliding torpedoes. Is this because:
(a) They found it was possible to do effective high-alt ASW, covering a wider area more efficiently, or
(b) They realized that any low-level excursion would completely
the P-8A's time-on-station?