The Navy is considering whether to continue serial production of the Virginia-class submarine instead of designing an attack submarine replacement, according to a service official. Capt. Michael Stevens, Virginia-class program manager, said Sept. 29 during an industry luncheon in Washington that the Navy may decide to not design an attack submarine replacement and instead purchase additional Virginia-class submarines. The Navy's program of record for Virginia-class subs includes procuring 48 boats. "There could be a Block VIII, we may not see...