Three Americans were killed in the ambush in Palmyra, Syria.

U.S. forces killed an al Qaeda affiliated leader allegedly linked to an ISIS attack that killed three Americans in Syria, as CENTCOM launched counterterrorism operations Jan. 16.

A U.S. airstrike in northwest Syria kills al Qaeda leader Bilal Hasan al-Jasim, linked to the deaths of three Americans.

US kills Al-Qaeda-linked leader behind ISIS attack that killed two service members and American interpreter, military says - A third round of retaliatory strikes in Syria resulted in the death of an Al-Qaeda-affiliated leader,

U.S. Central Command says it took out an al-Qaeda affiliate commander directly linked to the Dec. 13 attack on American forces in Palmyra.

US Central Command said it killed Al-Qaeda-affiliated leader Bilal Hasan al-Jasim in the January 16 strike in northwest Syria.

U.S. military say the third day of Operation Hawkeye strikes killed an affiliate leader connected to the shooter who killed two Iowa National Guardsmen last month.

The U.S. withdrawal of troops from Ain al-Asad airbase was completed by Friday as part of regional consolidation following progress on ISIS as CENTCOM calls for 'teamwork.'

US forces say its strike in Syria killed an Al-Qaeda leader linked to last month's ambush responsible for 3 Americans' death.