General Dynamics, Electric Boat Corp., Groton, Conn., is being awarded a $267m modification to previously awarded contract N00024-05-C-2103 to exercise options for continuation of engineering efforts associated with lead construction yard for Virginia-class submarines. The contract provides Lead (Construction) Yard engineering support that will maintain, update and support the Virginia-class design and related drawings and data for each Virginia-class submarine, including technology insertion, throughout its construction and Post Shakedown Availability (PSA) period. In addition, the contract provides Virginia-class development studies and design efforts. Work will be performed in Groton, Conn., (94 percent); Quonset Point, R.I., (5 percent); and Newport, R.I., (1 percent), and is expected to be completed by Sept. 2009. Contract funds will not expire at the end of the current fiscal year. The Naval Sea Systems Command, Washington Navy Yard, D.C., is the contracting activity.