langerman? >> thank you, mr. chairman, mr. secretary, general, thank you for being here today. your time and testimony and your tylerless service to our nation, we're all grateful. i want to focus on two important areas in the budget and priorities for me. virginia class submarine and i also want to talk about cybersecurity. mr. secretary, as you know, the virginia class submarine is a model procurement program and we're only now beginning to reap the rewards of an aggressive cost management effort and a consistent two-boat per year funding level. the proposed delay of one of these subs from fy-14 to outside could disrupt these gains and incur extra costs. how did the department come to this decision and how does the department propose to mitigate the military risks, the monetary costs and the work force challenges generated by the shift? obviously the virginia class submarine is a program that has because of the efficiencies that we gain from block buys and bringing stability to the supply chain. i'm concerned this delay is going to cost us in these areas. second, as you know,