General Dynamics Electric Boat
is roughly longer than the other two boats of her class, due to the insertion of a section known as the Multi-Mission Platform (MMP) which allows launch and recovery of remotely operated underwater vehicles (ROV) and Navy SEALs. The MMP may also be used as an underwater splicing chamber for tapping of undersea fiber optic cables. This role was formerly filled by the now decommissioned . "Jimmy Carter" was modified for this role by General Dynamics Electric Boat at the cost of $887 million.