US commander defends Joint Strike Fighter F-35A ahead of Senate inquiry

The American head of the global Joint Strike Fighter (JSF) program has acknowledged the software in the aircraft is "a big risk" ahead of a Senate inquiry into the Federal Government's acquisition of the jets. Australia is spending $17.8 billion on buying 72 US-made aircraft and associated systems, with the first expected to arrive in Australia in 2018 and enter service in 2020, replacing the F/A-18 Hornet fleet.

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