GROTON — The Chamber of Commerce of Eastern CT will host an inaugural "State of the Submarine Base" luncheon featuring Capt. Paul Whitescarver on Wednesday, April 17, from 11:30 a.m. to 1 p.m. at the Mystic Marriott Hotel & Spa in Groton. Tickets are available at ChamberECT.com/events or 860-701-9113. Whitescarver's tenure as the 51st commander of Naval Submarine Base New London concludes in May. He will discuss the current state and impact of the base and the role of today's submarine force. Admission is $20 for chamber members and $25 for nonmembers for reservations made until April 14.