Ppbe -

The Department's PPBE Reform Implementation Plan , updated in January 2025, organizes 26 specific initiatives around four strategic objectives :

Led by the Under Secretary of Defense for Policy , this phase defines the strategic direction. It reviews top-level guidance like the National Security Strategy (NSS) and translates it into the Defense Planning Guidance (DPG) , which shapes investment priorities for the next five years . The Department's PPBE Reform Implementation Plan , updated

The process is the Department of Defense's (DoD) primary framework for allocating financial resources . Established in the early 1960s by Secretary of Defense Robert McNamara, it serves to align national security objectives with the Department’s multi-billion dollar annual budget . The Four Phases of PPBE The Department's PPBE Reform Implementation Plan