This Week in History - 1999 Submarines Silent Service was released on:
USA: 2003
War Stories with Oliver North - 2001 Silent Warriors Submarines of the Pacific 4-53 was released on: USA: 18 July 2004
The Silent Service - 1957 The Squailfish 1-20 was released on: USA: 15 August 1957
Like Great Britain, Japan is an Island Empire. Germany tried to starve Britain with her submarines (U-Boats). The US did starve Japan with it's submarines (the silent service, US Navy).
The Silent Service - 1957 The Tigrone Sets a Record - 1.8 was released on: USA: 6 May 1957
The Silent Service - 1957 Tang vs. Truk - 1.12 was released on: USA: 21 June 1957
Silent Service U-Boats of WW II - 2001 TV was released on: USA: 2001
The Silent Service - 1957 The Batfish Scores 1-7 was released on: USA: 15 April 1957
The Silent Service - 1957 The Wahoo Story 1-13 was released on: USA: 28 June 1957
The Silent Service - 1957 The Gar Story 1-28 was released on: USA: 11 October 1957
The Silent Service - 1957 The Bergall Story 1-6 was released on: USA: 22 April 1957
That is the most efficient shape for fast, silent, speed underwater.
Silent Service II was created in 1990.