The "ABCs of BBM": Round 965! (Rules in first post)

[Toast]

After a high-time supper by the fire... tossing sticks on the fire to keep the talk going, Jack and Ennis discussed the emergency and fear on the submarine Thresher lost two months earlier somewhere southeast of Cape Cod.

[Fran]

After a high-time supper by the fire... tossing sticks on the fire to keep the talk going, Jack and Ennis talked about the submarine Thresher, whose final communications were garbled, undecipherable message fragments.

[southendmd]

After a high-time supper by the fire... tossing sticks on the fire to keep the talk going, Jack and Ennis talked about the submarine Thresher, and the graveness of the final minutes.

[Toast]

After a high-time supper by the fire... tossing sticks on the fire to keep the talk going, Jack and Ennis discussed the frightening experience of being onboard the submarine Thresher when its hull imploded in April of that spring.

[Fran]

After a high-time supper by the fire... tossing sticks on the fire to keep the talk going, Jack and Ennis talked about the implosion of the submarine Thresher  two months earlier.

[southendmd]

After a high-time supper by the fire... tossing sticks on the fire to keep the talk going, Jack and Ennis talked about the implosion of the submarine Thresher two months earlier, which was due in part to the Joule-Thompson effect which impeded the effort to blow water out of the ballast tanks.

[Toast]

After a high-time supper by the fire... tossing sticks on the fire to keep the talk going, Jack and Ennis discussed the uselessness of a lifesaver onboard the submarine Thresher when its hull imploded in April of that spring.

def - A life preserver shaped like a ring.

[Meryl]

After a high-time supper by the fire, Jack and Ennis talked about the submarine Thresher, lost off Cape Cod, whose Main Propulsion Assistant, Lt. Cdr. Raymond McCoole, was not at his station in the maneuvering room, or indeed on the ship, during the fatal dive. McCoole was at home caring for his wife who had been injured in a freak household accident -- he had been all but ordered ashore by a compassionate Commander Harvey.

[Fran]

After a high-time supper by the fire... tossing sticks on the fire to keep the talk going, Jack and Ennis talked about the loss of Thresher, the worst peacetime catastrophe in the history of the U.S. Navy.

[Toast]

After a high-time supper by the fire... tossing sticks on the fire to keep the talk going, Jack and Ennis discussed travelling thousands of feet up a mountain as compared to being thousands of feet below the ocean surface when they talked about the Thresher's crew.