The Twentynine Palms Chamber of Commerce will hold its annual installation event and summer mixer Thursday, June 19, at 6 p.m. at the Fairfield Inn and Suites in Twentynine Palms. The Chamber will thank the outgoing board members, welcome incoming board members, and recognize those that made a difference in Twentynine Palms. The public is invited, and light refreshments will be available. For more information, call 760-367-3445.