«DEATH TO SPIES IN AMERICA» (original poster-all caps)
DEATH STALKS BENEATH the SEAS!
MAN THE LAFFBOATS!
The undercover...underwater war that shattered the sea...and shook the earth !
what secrets lie dark in the abyss of time
Daring naval rescue-raid off Korea !
The Captain Knows Members of His Submarine Crew are Enemy Agents - But Who?
SAVAGE PASSIONS aflame in the North Atlantic! Unleashed by treachery...hate...violence!