Offering a cover serviced for USS Piper SS-409 Balao-Class Submarine, 10,000th dive, Charlotte-Amalie VI 16-March-1961.
Throughout 1960 she remained in the New London area. On 20 February 1961
the submarine got underway for exercises in the Caribbean. On this
cruise she became the first snorkel submarine to make her 10,000th dive.