Another argument for open source

This is strangely reminiscent of the arguments about Microsoft’s EULA, isn’t it?

Britain threatened the United States yesterday that it will cancel its £12 billion order for the new Joint Strike Fighter unless America agrees to give the Armed Forces full access to the warplane’s critical computer codes.
[…]
Without full access to computer software, the next-generation aircraft would effectively remain under the control of the Americans and could be “switched off” without warning.