determine which ones are actually delivering the best value, meaning the best possible intelligence, surveillan annaia the best value. at the best business case, if you will. and so for example, the block 30 global hawk has fundamentaty to afford it. when the u2 gives in some cases a better capability and in some cases just a slightly less capable platform. so what you're seeing is our ability to eliminatrendancy, continue to invest in the best value and to avoid at err