Home Feature US Marines release video showing them firing on Isis in Syria The video, produced by US Marine Sgt. Matthew Callahan, shows troops using M777-A2 Howitzers at an undisclosed location in Syria. U.S. Marine Corps July 5, 2017 00:03 IST Close The video, produced by US Marine Sgt. Matthew Callahan, shows troops using M777-A2 Howitzers at an undisclosed location in Syria.
