Lt. Cmdr. Lyndsay Evans and Lt. Serena Wileman died when their jet crashed during a training flight in Washington state last month.
U.S. Central Command said it struck Syria on Tuesday, targeting a senior militant from the al-Qaida-linked Hurras al-Deen group and eight others.
“All personnel are in stable condition,” one U.S. official said.
By Jon Gambrell, The Associated Press and J.D. Simkins At least four command sergeants major have been relieved.
