Marine Cpl . Jordan L. Spears , 21 , went missing on Wednesday . `` So there 's no question '' Marine 's death related to ISIS operations , Kirby says . Some of those operations included operations in Iraq and Syria , at least tangentially , through at least some tangential way , support to those missions , '' Kirby said , according to a transcript . ` The U.S. military has been conducting airstrikes against the Islamic State in Iraq and Syria (ISIS) since August 2014. His death has not yet been classified , Kirby says .
Marine Cpl . Jordan L. Spears , 21 , went missing on Wednesday . `` So there 's no question '' Marine 's death related to ISIS operations , Kirby says . The U.S. military has been conducting airstrikes against the Islamic State in Iraq and Syria (ISIS) since August 2014. His death has not yet been classified , Kirby says .