GUPPY II

E1648537 UNEXPLORED

GUPPY II was an early post–World War II U.S. Navy submarine upgrade configuration that significantly improved underwater performance through streamlined hulls, enhanced batteries, and modernized sonar and electronics.

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Label	Occurrences
GUPPY II canonical	1

Referenced by (1)

Full triples — surface form annotated when it differs from this entity's canonical label.

GUPPY modernization program → hasPart → GUPPY II ⓘ