( CNN ) -- The Navy has suspended search and rescue efforts for a pilot who was involved in a plane crash over the western Pacific Ocean . Two U.S. fighter jets collided on Thursday while operating at sea . The missing and unidentified pilot is presumed dead , the Navy said in a press release on Saturday . One pilot was rescued , treated and has been released from the ship 's medical facilities . `` This is an exceptionally difficult time for the friends and family of the missing pilot and the Navy community , '' said Rear Adm. Christopher Grady , commander of the Carl Vinson Carrier Strike Group . `` Our thoughts and prayers are with everyone affected by this tragedy . '' The cause of the crash is under investigation , the Navy said . The jets have not been recovered . The two jets crashed about 290 miles ( 470 kilometers ) west of Wake Island , Navy 7th Fleet spokeswoman Lt. Lauren Cole told CNN . Wake Island is more than 2,400 miles west of Hawaii . A Navy cruiser , destroyer , carrier and helicopters took part in what the Navy called an `` extensive '' search for the missing pilot that lasted more than 36 hours . The two F/A-18 Hornets were operating from the aircraft carrier USS Carl Vinson , the Navy said . The collision occurred about seven miles away , the Navy said . Both jets are from Carrier Air Wing 17 , the Navy said , assigned to Strike Fighter Squadron 94 and Strike Fighter Squadron 113 . Pilot found dead after F-15 crash in Virginia . CNN 's Jamie Crawford contributed to this report .
Search efforts for missing pilot suspended in Pacific . Navy official says two F/A-18 Hornets collided . The U.S. military has been conducting a search and rescue mission since the plane went down on Sunday about 30 miles off San Diego.