i wanted to ask you a final question about the jc poa or the iran deal. in their there is a provision that said the u.s. must cooperate through training and workshop to strengthen their ability to prevent sabotage. has the u.s. help them protect against sabotage of their nuclear program? >> i cannot speak to the u.s. government as a whole. i can tell you sue u.s. cyber command has not participated in any activity. >> thank you. >> thinking mr.. i miss some of the discussion and i don't want to be repetitive, but i want to go back to an interchange that you had with the chair in the open question that he asked. i met recently with the senior military leader who try to basically summarize his sense of things and he said we have plans but no strategy. i've been thinking about that. i think in your back and forth with the chair you talked about, and i think others may have asked you, this notion that we are reacting case-by-case to cyber attacks and deciding in each instant what we want to do. the idea of a broader doctrine, if it's a deterrence policy on how