The procurement, supply, maintenance, and transportation of equipment, facilities, and personnel.
The process of planning, implementing, and controlling the efficient, effective flow and storage of goods, services and related information from their point of origin to point of consumption for the purpose of satisfying customer requirements.
Science as applied to military requirements, including how best to run a military and the advancement of military technology, just as applied science informs engineering and technology generally.
The science of how best to run a military; the academic discipline which examines institutions and behaviours in, and optimized administration of, a military.