I know it probably isn't the whole story but I love the US using a sunken Soviet sub as the story behind the cover story that's actually a cover story itself because they think the Soviets won't know any better.
"Yuri, did we lose a submarine in the Pacific?"
"I don't know, Leonid, but if the Americans say it I suppose we did."
Three weeks later K-129 pulls into Vladivostok and its captain warmly greets his countrymen.
"Nice try, Tex."