Who's that girl waving a semaphore message of "I Love You" to a destroyer as it departs New York for World War I? It's Sally, the Coney Island saltwater-taffy girl. Each of the sailors -- especially pals and romantic rivals Baltimore Clark, Dutch Herman and Skeets O'Reilly -- hopes the message is for him. But rivalries end where warfare begins. The pals are soon assigned to the crew of a merchant ship posing as a German communications b