GUPPY IIA

E1651982 UNEXPLORED

GUPPY IIA was an advanced phase of the U.S. Navy’s post–World War II submarine modernization effort that further upgraded fleet submarines with improved hydrodynamics, sonar, and habitability for extended underwater operations.

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Label	Occurrences
GUPPY IIA canonical	1

Referenced by (1)

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

GUPPY modernization program → hasPart → GUPPY IIA ⓘ