GROTON, CONN. — The Navy’s submarine base in Groton is welcoming a new commanding officer.
Navy Capt. Marc Denno has been commander since June 2009, longer than any of his predecessors. His replacement is to be sworn in at a ceremony Friday morning on the base.
His successor, Capt. Carl Lahti, is a Buffalo, N.Y., native who comes to Groton after serving at the Pentagon. He also served on the submarines Miami, Dallas and Memphis.
Groton hosts 15 attack submarines and is the nation’s first submarine base. During Denno’s tenure it undertook infrastructure projects and improvements worth close to $200 million.
Denno is leaving for a position on the staff of the Naval War College in Newport, R.I.