Congressman Joseph Courtney foreground, and Chief of Navy Operations Adm. Gary Roughead turn the valves to allow water into the graving dock and float off the fast-attack submarine PCU New Hampshire during a visit Thursday to Electric Boat. In the background are EB President John P. Casey (left), Ship's Manager Stan Gwudz, EB Vice President of Operations Will Lennon and Dock Crew Technician Joseph G. Houle.