Dictionary of Military and Associated Terms

1. time-phased force and deployment data maintenance

   The deliberate planning process that requires a supported commander to incorporate changes to time-phased force and deployment data (TPFDD) that occur after the TPFDD becomes effective for execution. TPFDD maintenance is conducted by the supported combatant commander in coordination with the supporting combatant commanders, Service components, US Transportation Command, and other agencies as required. At designated intervals, changes to data in the TPFDD, including force structure, standard reference files, and Services