Pearl Harbor anniversary

Ceremonies commemorating the 71st anniversary of the attack at Pearl Harbor, Friday. President Barack Obama marked the day on Thursday by issuing a presidential proclamation, calling for flags to fly at half-staff on Friday and asking all Americans to observe the day of remembrance and honor military service members and veterans.

Enlarge Pearl Harbor survivors, from left, Clark Simmons, of Brooklyn, N.Y.; Aaron Cahbin, of Bayside, N.Y.; Armando ... ASSOCIATED PRESS

Enlarge Pearl Harbor survivors, from left, Clark Simmons, of Brooklyn, NY; Aaron Cahbin, of Bayside, NY; Armando Chick Galella, of Sleepy ... ASSOCIATED PRESS

Enlarge Pearl Harbor survivors, from left, Clark Simmons, of Brooklyn, NY; Aaron Cahbin, of Bayside, NY; Armando Chick Galella, of Sleepy ... ASSOCIATED PRESS

Enlarge Pearl Harbor survivor Armando Chick Galella, right, age 91, of Sleepy Hollow, N.Y., tosses a wreath into the Hudson ... ASSOCIATED PRESS

Enlarge Jim Mullarkey, state commander of the New York Catholic War Veterans of the United States, warms up with his bugle ... ASSOCIATED PRESS

Enlarge Many of the Pearl Harbor survivors share memories before the start of the Commemoration of the 71st Anniversary Pearl Harbor ... ASSOCIATED PRESS

Enlarge Pearl Harbor survivor Sam Clower, left, of Sacramento, Calif. and Ab Brum, right, , retired United States Army Special Forces, of ... ASSOCIATED PRESS

Enlarge Pearl Harbor survivor Tom Berg, of Port Townsen, Wash., a sailor on the USS Tennessee, signs his autograph for an admirer.) ASSOCIATED PRESS

Enlarge Pearl Harbor survivor Victor Miranda, of San Deigo, Calif. salutes during a moment of silence marking the moment Pearl Harbor ... ASSOCIATED PRESS

Enlarge Pearl Harbor survivor Daniel Fruchter, of Eastchester, N.Y., salutes members of the color guard during a visit before ceremonies ... ASSOCIATED PRESS

Enlarge Pearl Harbor survivors Max Green, left, and Bill Thornton greet each other prior to the Pearl Harbor Day Remembrance Ceremony ... ASSOCIATED PRESS