Armies were divided into regiments, battalions, companies and platoons. Two Infantry Platoons were among those sent. During this skirmish the Chinese deployed two reinforced infantry platoons with artillery support. During this time he restructured the organisation into brigades, battalions, companies, platoons and sections. The Battalion had two lettered companies of two bridge platoons each. A firefight erupted between the SAS and at least two regular Iraqi Army infantry platoons. The rifle companies had three platoons (three squads with one LMG each). Luxembourg has two reconnaissance platoons, declared to NATO's Allied Mobile Force. The Support company comprises mortar, sniper, and patrol platoons. Each DOT troop came to include three AML platoons. The Rapid Reaction Forces consists of several different platoons within each district. The companies were to be commanded by Majors and their platoons by Captains. The policy was revised, with Negro soldiers serving in provisional platoons. Rifle companies consist of three platoons and a company headquarters. An Engineer Treadway Bridge Company consisted of company headquarters and two bridge platoons.