Program Categories The five divisions the comprise Major Force Program 06 (R&D) in the FYDP. The y are: • 6.1 Basic Research • 6.2 Exploratory Development • 6.3 Advanced Development • 6.4 Engineering Development • 6.5 Management and Support. Operational System development, not a designated category, is funded in RDT&E appropriations but not in Major Force Program 06