Pearl Harbor commemoration to go on after fresh tragedy

U.S. Navy Rear Adm. Robb Chadwick speaks to the media at the main gate at Joint Base Pearl Harbor-Hickam, Wednesday in Hawaii, following a shooting. (AP Photo/Marco Garcia)
Security stands guard outside the main gate at Joint Base Pearl Harbor-Hickam Wednesday. A shooting at Pearl Harbor Naval Shipyard in Hawaii left at least one person injured Wednesday, military and hospital officials said. (AP Photo/Caleb Jones)
A security guard stands outside the main gate at Joint Base Pearl Harbor-Hickam. (AP Photo/Caleb Jones)
The USS Arizona Memorial can be seen from the Pearl Harbor National Memorial Wednesday. (AP Photo/Marco Garcia)

Security stand outside the main gate at Joint Base Pearl Harbor-Hickam, Wednesday. (AP Photo/Caleb Jones)

HONOLULU — Officials will beef up security as usual for the ceremony to remember those lost in the attack on Pearl Harbor 78 years ago, with service members and dignitaries confronting a fresh tragedy after a U.S. sailor killed two civilians, wounded another and then turned the gun on himself at the storied military base.