USS Walrus (SS-437) [SEP] vessel class
What type of aquatic unit is USS Walrus (SS-437)? What type of submarine was USS Walrus (SS-437) classified as? What specific type of seafaring vessel was USS Walrus (SS-437)? What vessel type is USS Walrus (SS-437)?
Tench-class submarine
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USS Walrus (SS-437)
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