I was thinking more time to get to a SOSUS contact due to the P6M’s speed - much greater than the P-3 Orion. The only other maritime patrol aircraft in the west with such a characteristic was the Nimrod.
“...more time to get to a SOSUS contact due to the P6M’s speed-”
Especially in the Pacific. An air group of these in Micronesia would have been golden either during the Cold War, or now monitoring the Red Chinese.