Defence procurement is difficult. It’s hard to design and build new weapons systems and predicting what kinds of equipment and force structure will be needed in 20 years time is a necessarily tricky business. Mistakes and blunders don’t just happen; they’re inevitable. Still, despite the Eurofighter and the looming problems with the Royal Navy’s new carrier class, it’s not clear that there’s anything on the MoD’s books quite so daft as the US Air Force’s F-22 fighter*.
It’s not merely a matter of cost – though as nearly $200m a pop the F-22 is no bargain – but that, apparently, the average F-22 only flies for 1.7 hours before developing a “critical failure” that jeopardises its mission. Thirty hours of maintenance are required to produce a single hour’s flying and at any moment nearly 40% of F-22s are unable to fly. Last year, four years after it entered service, it successfully met seven of 22 key performance requirements.

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