F-35 Programme Reaches $1.7 Trillion Lifetime Cost — Two Decades Behind Schedule
What happened
The F-35 Joint Strike Fighter programme, contracted in 2001 with initial delivery projected for 2010, had accumulated a projected lifetime cost of $1.7 trillion through 2088 by 2023 — making it the most expensive defence programme in history. Unit costs rose from an original estimate of $81 million to over $100 million per aircraft. As of 2023, the fleet had still not cleared the Block 4 capability package that was meant to justify much of the programme's cost.[1]
What went wrong
The programme attempted to build three distinct aircraft variants — conventional, carrier-based, and short take-off/vertical landing — from a single common airframe. This required compromises that degraded all three variants. Concurrent development and production began before testing was complete, locking in design decisions that were later found to be flawed and extremely costly to correct after units were already manufactured.[1]
Lesson learned
Concurrent development and production in complex, safety-critical programmes is a well-documented cost multiplier. Fixing design flaws in already-manufactured military hardware costs orders of magnitude more than completing testing before committing to production. The F-35 remains the definitive case study in how not to structure a large-scale procurement contract.
Sources
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