Kirby . Marine , 21 , went missing on 21 . ` ` So there 's no question '' Marine Cpl 's death related to ISIS operations , Kirby says . Spears , a crew chief , went missing Wednesday when the Osprey lost power shortly after takeoff from the USS Makin Island and dropped toward the water , according to the Navy . Spears has been declared dead by the Spears after rescue efforts failed . His death has not yet been classified , Kirby says .
Kirby . Marine , 21 , went missing on 21 . `` So there 's no question '' Marine Cpl 's death related to ISIS operations , Kirby says . Spears has been declared dead by the Spears after rescue efforts failed . His death has not yet been classified , Kirby says .