Officials have suspended the search for three missing United States Marines after an MV-22 Osprey, a hybrid aircraft, entered the water off the eastern coast of Australia around 4 p.m. local time on Saturday.

There were 26 personnel onboard the Osprey at the time of the accident, and 23 have been rescued, the III Marine Expeditionary Force said in a news release.

In a statement emailed to The New York Times, the expeditionary force said the Navy and Marine Corps had suspended search and rescue efforts for the three remaining Marines around 3 a.m. local time on Sunday.

“Operations have now shifted to recovery efforts,” the statement said. “The next-of-kin for the three missing Marines have been notified.