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LD-TECH-02 · ADM-COM-46/12

LEVIATHAN

Commonwealth Naval Modernisation & Oceanic Defence Network
PARTIAL
PERIOD: 1946–1965
DOMAIN: Naval
ERA: Foundation
CLASSIFICATION
MOST SECRET · CDX
ORIGIN
CARB · Sydney · Portsmouth · Bombay
LEAD FIGURES
Adm. Sir Hew Inverness · CARB
MOTTO
Silent. Swift. Sovereign.
STRATEGIC LEDGER

Independent blue-water dominance without reliance on American assets. Standardised shipbuilding across five navies; carrier-borne jet capability by 1953; nuclear propulsion under trial by 1956.

Operational Phases

PHASE I · INTEGRATION
1946–1950
  • Standardisation of shipbuilding and naval doctrine across Commonwealth shipyards.
  • HMS *Indomitable* refit — first Commonwealth carrier with jet-assisted launch.
  • Commonwealth Naval College established · Sydney.
PHASE II · EXPANSION
1951–1957
  • Launch of *Leviathan*-class fleet carriers — modular deck, dual arrestor systems.
  • Royal Navy of the Indian Dominion (RNIN) commissioned as co-equal branch.
  • First nuclear-propulsion prototypes tested · Cape Town · 1956.
  • Satellite-linked HF communications trial · Singapore ↔ Portsmouth.
PHASE III · CONSOLIDATION
1958–1965
REDACTED
Featured in Operations
Successor Programmes