A man with a marked American accent gives an "encouraging" speech to a group of Soldiers in Israel

A man with a marked American accent gives an "encouraging" speech to a group of Soldiers in Israel, it is unknown if the man is a mercenary or a member of the military. By the way he speaks when mentioning God it seems to be a "Christian" man so it is unlikely he is an Israeli citizen:

- I will burn their city to the ground!