General Dynamics Electric Boat Corp., Groton, Conn., is being awarded a $400,570,075 cost-plus-fixed fee option under contract (N00024-11-C-2111; a continuing contract for N00024-09-C-2101) for design agent, planning yard, engineering and technical support for active nuclear submarines. The continuation efforts provide for drawings and related technical data; design change documentation; logistics technical data; configuration management; hull, mechanical and electrical engineering; submarine safety design review; non-propulsion plant electrical system engineering; propulsion plant engineering; information services; maintenance engineering; refit/availability technical support; on-site support; configuration change program design and installation support; configuration change program material support; submarine technical trade support; training and facility support; RDT&E program support; R&D submarine/submersibles support; miscellaneous special studies; temporary alteration support; modernization of submarine/submersible systems/subsystems; and affordability/cost reduction technical support. Work will be performed in Groton, Conn. (73 percent); Kings Bay, Ga. (11 percent); Bangor, Wash. (8 percent); Quonset, R.I. (6 percent); and Newport, R.I. (2 percent). Work is expected to be completed by October 2011. Contract funds in the amount of $84,119,715 will expire at the end of the fiscal year. The Naval Sea Systems Command, Washington, D.C., is the contracting activity.