Knowledge of principles, practices, equipment and tools in the areas of Logistics, Supply and Transportation. Understanding of how to manage and optimize equipment, supplies and transportation systems to provide an infrastructure that enables the agency to operate effectively. Includes management of specifications, acquisition, certification, storage, delivery, lifecycle support, distribution, and disposal of supplies, hardware, materials, equipment, and property (except real estate) and the operation and maintenance of transportation and other equipment used to move materials or passengers. Also includes management of inventories, including government property, equipment and materials provided to employees and contractors, so that the property is accurately accounted for, reported against and disposed of at the end of its useful life. Requires understanding of government regulations regarding property management and disposal, and related contracting terminology and requirements.