In amphibious operations, those supplies that normally are unloaded immediately following the assault waves; usually the supplies for the use of the beach organization, battalion landing teams, and other elements of regimental combat teams for the purpose of initiating and sustaining combat until higher supply installations are established. See also reserve supplies.
INITIAL RESERVES
Meaning of INITIAL RESERVES in English
DOD English dictionary of military terms. Английский словарь военных терминов DOD. 2012