David Cameron will give details of the review at 1530 BST. Nine Nimrod planes due to be based at RAF Kinloss have been cancelled, the BBC understands. Defence sources told the BBC that the MRA4 reconnaissance planes will not go ahead. BBC Scotland correspondent James Cook said it had come as a big blow for the base - which employs 1,500 people and would now close. The future of nearby RAF Lossiemouth remains uncertain.