9/11 10th Anniversary Events
9 a.m. to 11 a.m.: City of Costa Mesa 9/11 commemoration, U.S. Army Reserve Base, Air National Guard, 2651 Newport Blvd., Costa Mesa.
10 a.m.: Service of remembrance and hope, with guest speaker Imam Sayed Moustafa Al-Qazwini of the Islamic Educational Center of Orange County. The event is at Fairview Community Church, 2525 Fairview Road, Costa Mesa.
10 a.m. to 4 p.m.: Lyon Air Museum commemorating 9/11 by offering free admission on Sunday to all first responders, such as police officers, firefighters, emergency medical technicians, 911 operators and dispatchers. The museum is at 19300 Ike Jones Road.
7 p.m.: "Requiem: A Concert of Hope and Remembrance," Newport Harbor Lutheran Church, 798 Dover Drive, Newport Beach. Donations of $20 for tickets. For more information, call (949) 548-3621 or go to http://www.nhlcs.org.