In a statement, the army said Haswanir Julnasir, 30, was reported missing at around 12.15pm on July 3 while participating in Exercise Seaghost, a military training drill near Dock Port.

His body was discovered at around 10am on July 5 by a navy surface patrol team, roughly 500m from where he was last seen.

“All equipment, including the diving gear and M4 rifle, was found intact with the body,” it said.

“His remains were sent to Tengku Ampuan Afzan Hospital in Kuantan for a post-mortem.”

Haswanir’s body was flown back to his hometown in Semporna, Sabah, last night, and he was buried this morning at the Kampung Gusung Melanta Tesi cemetery on Pulau Bum Bum.

The army urged the public and media to avoid speculating on the case and to respect the family’s privacy, saying a full investigation would be conducted.