 In practice, the data produced by the analysis was so large and so complex that while it was available to all interested parties, none of them could challenge the conclusions.Among the management tools developed to implement PPBS were the Five Year Defense Plan (FYDP), the Draft Presidential Memorandum (DPM), the Readiness, Information and Control Tables, and the Development Concept Paper (DCP).The annual FYDP was a series of tables projecting forces for eight years and costs and manpower for five years in mission-oriented, rather than individual service, programs.