Usage patterns
〈人〉が戦地に赴くfor someone to head off to the war front
He went to the front as a soldier.
戦地から帰還するto return from the war zone
My father safely returned from the war zone.
〈人〉が戦地に派遣されるfor someone to be sent/dispatched to the war zone
Many young men were dispatched to the war zone.
戦地で戦うto fight in the war zone
My grandfather talked about his experience fighting in the war zone.