DSSV Pressure Drop is an American oceanographic research vessel. During the Cold War she collected acoustic date on Soviet Submarines.

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Size: 6323px × 4451px
Photo credit: © Fraser Gray / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: cold, drop, drop., navy, navy., ocean, preasure, pressure, research, ship, , soviet, spy, submarine, war