This informal presentation describes how and why the Air Force uses the job inventory approach for collecting, analyzing, and reporting information describing the work performed by its personnel. This is followed by a brief description of the Comprehensive Occupational Data Computer Program (CODAP) system, the applications of job survey information to problems in managing the personnel system, and information on task and job difficulty levels with data describing job descriptions. Included are a 23-item bibliography and an appendix giving brief descriptions of selected CODAP programs. (Author/BP)