The May luncheon of the Vicksburg-Warren County Chamber of Commerce will take place aboard a U.S. Army Corps of Engineers’ inspection barge.

The Corps chapter of the Chamber of Commerce will host the members-only event, set for 11 a.m. to 2 p.m. May 19.

Deputy Commander for Mississippi Valley Division, Col. George T. Shepherd Jr., will be the guest speaker. Guests will board at 11 and the cruise will depart at noon from City Front. Cost is $12. Register at www.chambermaster.com.