Defence expert criticises Coalition’s $3bn pledge to buy more fighter jets, saying ‘there are higher priorities’

Federal opposition refuses to reveal where money will come from to purchase 28 extra F-35s if it wins election

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The federal Coalition says it would spend $3bn for 28 fighter jets to add a fourth squadron to the country's F-35 fleet - but it won't reveal where the money is coming from.

The election pledge means Australia would end up with 100 of the F-35s if the Coalition wins the upcoming poll.

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