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Historic shipwreck discovered off Southern California coast

NEW YORK, NY - AUGUST 4: A member of the U.S. Coast Guard climbs up the ship to furl sail aboard the U.S. Coast Guard Cutter Eagle along the Hudson River next to the Intrepid Air and Space Museum, August 4, 2016 in New York City. Thursday is National U.S. Coast Guard Day in the United States. On this day 226 years ago, Alexander Hamilton requested Congress to create the U.S. Coast Guard. (Photo by Drew Angerer/Getty Images)
NEW YORK, NY - AUGUST 4: A member of the U.S. Coast Guard climbs up the ship to furl sail aboard the U.S. Coast Guard Cutter Eagle along the Hudson River next to the Intrepid Air and Space Museum, August 4, 2016 in New York City. Thursday is National U.S. Coast Guard Day in the United States. On this day 226 years ago, Alexander Hamilton requested Congress to create the U.S. Coast Guard. (Photo by Drew Angerer/Getty Images)
Drew Angerer/Getty Images

Researchers discovered the remains of a San Francisco-based U.S. Coast Guard cutter that first set out to sea during the Spanish American War and sank off the coast of Southern California 100 years ago, officials announced.

On Tuesday, officials will host a news conference to highlight the ship's history and to pay tribute to the ship and its crews — including two crewmen who died in the line of duty.

Researchers with the Coast Guard and the National Oceanic and Atmospheric Administration will also tell the story of the joint underwater exploration that led to the shipwreck's discovery.

The USCGC McCulloch began its career as part of Commodore George Dewey's Asiatic Squadron in the Battle of Manila Bay during the Spanish American War.

Cutters based in San Francisco in the late 1800s and early 1900s represented American interests throughout the Pacific. They also played important roles in the development of the western United States.

After the war, the cutter patrolled the West Coast and later was dispatched to enforce fur seal regulations in the Pribilof Islands off the coast of Alaska, where it also served as a floating courtroom in remote areas.

The USCGC McCulloch sank on June 13, 1917, 3 miles (5 kilometers) northwest of Point Conception, California, after colliding with a civilian steamship.