Ordnance provision system. Ordnance catalog [(ordnance provision system)]: Groups A-R. G-529. Trailer, ΒΌ-ton payload, 2-wheel, cargo, 1942-43, American Bantam, model T-3 (TM 10-1281). Willys, model MB-T (TM 10-1230), organizational spare parts and equipment; Apr. 29, 1943.