 long it would take to get a new part on board yeah that's a concrete one just one concrete example sure and but but in in that example i mean i think that that's a perfect example of how this is not just a nav sub problem even if you're just looking at supplies so in that one i guess you know that would be you would need to consult with peo ships is that is that right to figure out what the new model should be what are those sort of collaborative fora in which you all get together to figure out how to tackle those those issues