Assignments require (a) a good working knowledge of the governing supply systems, programs, policies, nomenclature, work methods, manuals, or other established guidelines; (b) an understanding of the needs of the organization serviced; and (c) analytical ability to define or recognize the dimension of the problems involved, to collect the necessary data, to establish the facts, and to take or recommend action based upon application or interpretation of established guidelines. Utilize Uniform Source, Maintenance and Recoverability (SM&R) codes to identify the source of parts and the levels of maintenance authorized to maintain, repair, overhaul or condemn them; preparation of supply documentation for proper identification of repairable items passed to those authorized repair maintenance levels.