mr. chairma membe want to thank the panel. i would like to publicly recognize general odierno. thank you for the privilege and honor of serving under your command and throws my brother red leg sitting back there, colonel thompson could to see you. questions we have. we've been down this road before. mr. wilson talked about task force smith. when i talk about the decrease of brigade formations we're having can you talk to us about the ramifications as you see as far as combat tours of duty. some of these effects that we see with social issues we just talked about relates to the amount of tours that our young men and women are having to serve in these combat zones of operations. so have we looked at the ramifications of what could happen with maybe increased tours in combat zones? >> congressman, thank you very much. in terms of -- we've looked very carefully at this as we decided where to take force structure out. because we're now out of iraq and imade a significant disturbance in the up tempo of our combat forces and now that we're starting to reduce our presence in afghanista