About 2,500 people gathered at Pearl Harbor to remember those killed in the 1941 Japanese attack that launched the U.S. into World War II.

The crowd observed a moment of silence at 7:55am, the minute the bombing began 72 years ago.

A vintage World War II-era airplane, a 1944 North American SNJ-5B, flew overhead to break the silence.

The Navy and National Park Service co-hosted the ceremony.

About 50 survivors returned for the ceremony.

Meanwhile, Battleship Cove in Fall River commemorated the anniversary with a brief ceremony.

The program began at 12:55pm eastern time, coinciding with the time the attack began in Hawaii. There was a wreath-laying ceremony and brief remarks.

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