GD Lays Keel of First Columbia-class SSBN
QUONSET POINT, R.I. –– General Dynamics Electric Boat conducted a keel laying ceremony for the first Columbia-class ballistic missile submarine, USS District of Columbia (SSBN 826) at Quonset Point, Rhode Island, June 4.
Keel laying is an event in which the initials of the boat’s sponsor are wel…
