(4) The FSB supporting each brigade is under the control of the DISCOM. The FSB plans,
coordinates, and supervises tactical sustainment provided by its units to the brigade and other units in
the BSA. The relationship between the FSBs and the brigades is comparable to that between the
brigades and their supporting direct support artillery battalions. Each FSB has 440-460 assigned
soldiers. The FSBs provide the following division-level tactical sustainment support to units within the
(a) Classes I, II, III, IV, and IX supplies, less engineer construction materials.
(b) IDSM for common and missile materiel normally located in the BSA.
(c) Division-level and unit-level health services on an area basis for the brigade and
troops located in the BSA. This includes medical supply (class VIII) and unit maintenance of medical
(d) Field services when augmented by teams from the MSB or the COSCOM.
(e) Coordination and supervision of nonorganic transportation allocated to support
brigade operations, plus a limited capability to carry reserve supplies.
(f) Salvage and materiel collection and classification facilities.
(g) Sustainment information and advice to the supported brigade.
(h) Water supply points for purification and distribution, when provided augmentation
teams from the MSB.
(5) There is one MSB organic to the DISCOM. With about 1,000 assigned soldiers, it serves
as the division's CSS operator in the division rear area. The MSB commander reports directly to the
DISCOM commander. The MSB provides the following division-level tactical sustainment for division
units located in the DSA and backup support to FSBs:
(a) Division-level supply of classes I, II, III, IV, VII, IX, and water supply.
(b) IDSM for common and missile materiel organic to units in the DSA and backup
IDSM support to the FSBs.
(c) Division and unit-level health service support on an area basis troops located in the
(d) Field services such as clothing exchange and bath, decontamination, and graves
registration, when augmentations are authorized.