SILENTRUNNING

Silent Running

Silent Running is a 1972 environmentally themed American science fiction film starring Bruce Dern, featuring Cliff Potts, Ron Rifkin and Jesse Vint. It was directed by Douglas Trumbull, who had previously worked as a special effects supervisor on science fiction films, including 2001: A Space Odyssey and The Andromeda Strain.

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Silent running

Silent running is a stealth mode of operation for naval submarines. The aim is to evade discovery by passive sonar by eliminating superfluous noise: nonessential systems are shut down, the crew is urged to rest and refrain from making any unnecessary sound, and speed is greatly reduced to minimize propeller noise.

The above text is a snippet from Wikipedia: Silent running (submarine)
and as such is available under the Creative Commons Attribution/Share-Alike License.

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