HMS Swiftsure entered a refit delayed by industrial action; work scheduled for January 1979 did not begin until April 1980. A job intended to finish in 1982 kept her out of service until 1983 and cost about £85 million, more than twice her original construction price. Such work could include engines, computers, sonar, hull inspection, and reactor-related safety on a submarine expected to operate far from friendly repair facilities. Nuclear-submarine work also attracted security and quality-assurance premiums because failure at sea could not be remedied in a convenient allied port. The cost remains open to scrutiny, but comparing it directly with construction ignores the complexity and assurance demanded by a deep refit.
Chapter · 28:21-31:55
Why HMS Swiftsure's refit cost more than her construction
Swiftsure's delayed and expensive refit opens a wider explanation of nuclear-submarine modernization, safety work, and defence-contracting premiums.