The U.S. Navy has estimated that the developing and procuring of a fleet of 72 MQ-25 Stingray unmanned aerial refuelling aircraft will cost $US 15.2 billion, nearly $US 2 billion more than the original estimate of $US 13.3 billion. Read full news at this link...
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| MQ-25 Stingray Unmanned Aerial Refuelling Aircraft (Picture source : Boeing) |