your savings or held accountable there is an instrument that is called multi-year procurement the abel moonves and davey was able to do that for the four submarines then you know, your savings in test through the stability of the design and is a commitment before the forget we will use the same contracts as we know how will they work. but with the industrial base we have seen a lot of decisions made but we did not think we would create this because of commercial firms. but now my question is have a lead done enough and is in a time for them to come through for us? can we get one shipped on time or one ship delivered without the serious reliability or quality problems? that is my question. once approved your oversight is marginalized. what you'll be hit with thin the future is a great prices but we have to protect the industrial base then you can change the program and i assaying that you can. it in the first-ever site question will be the program that has doubled in cost but has yet to demonstrate its capabilities worth another $14 billion of investment? that is assuming a ripping goes well. i