Three of the four Americans killed in an explosion in Syria earlier this week have been identified.
According to a press release from the Defense Department, Jonathan Farmer, Shannon Kent and Scott Wirtz died in the blast, which was the result of a suicide bombing.
Army Chief Warrant Officer 2 Farmer was from Boynton Beach, Florida, and joined the Army in 2005.
Navy Chief Cryptologic Technician Kent was from upstate New York and enlisted in the Navy in 2003.
And Wirtz was an operations support specialist assigned to the Defense Intelligence Agency. He was from St. Louis, Missouri.
The fourth American killed in the explosion has not been publicly named. Officials say three other U.S. service members were injured, and at least 10 other people died. ISIS has claimed responsibility for the attack.
Additional reporting from Newsy affiliate CNN.
