 Starting in New Guinea, through the closing stages on Guadalcanal and during the approach to and reconquest of the Philippines and then through the Okinawa campaign, the Army deployed hand-held, man-portable units.Often flamethrower teams were made up of combat engineer units, later with troops of the chemical warfare service.The Army fielded more Flamethrower units than the Marine Corps, and The Army's Chemical Warfare Service pioneered tank mounted flamethrowers on Sherman tanks (CWS-POA H-4).