Japanese police divers on Monday discovered the body of a USS Patriot sailor missing since Sunday, when he disappeared in the waters near Nagasaki’s Ryutosen Falls.

The diving team found Seaman Jared Valdez’s body at 11:19 a.m., according to a Nagasaki Prefectural Police headquarters spokesman.

Valdez, 21, was pronounced dead at the scene by a Sasebo-based U.S. doctor who was helping with the recovery effort. The cause of death will be determined at an autopsy, Navy officials said.

Local police said 10 servicemembers including Valdez visited the falls, about a one-hour drive from Sasebo. They were taking turns jumping into the waterfall basin from a rock about 26 feet above the water, the police spokesman said.

The basin was swollen after the heavy rain, according to a town office official. Police believe Valdez accidentally fell from the rock before he was ready to jump.

“Rock surfaces were very slippery after the heavy rain,” the police spokesman said, and “no swimming” signs were posted.

Local fire station rescue units, police officers and town officials searched the basin but were initially unable to find Valdez, he said. The search was suspended after dark and resumed early Monday, he said.

The Naval Criminal Investigative Service is investigating the death.

Valdez, a Houston native, had been in the Navy about eight months, Dorsey said.

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