(draft text fodder from Jim, take any chuck or none; lots of repeat stuff, but it’s a start)
Integrated Logistics Support (ILS), also known by the government as Integrated Product Support (IPS), is a unified and iterative approach to the management and technical activities needed to influence operational and materiel requirements and design specifications for logistics support.
ILS at ASI defines the support requirements best related to system design and to provide required documentation, logistical, and operational support at the lowest cost and highest level of readiness for the end-user(s).
ILS seeks to improve training quality and lower life-cycle costs through the best family of support systems available from design through delivery. (???)