This section describes the Engineers and Scientists (Resources and Construction), or ESRC, Program Structure. It includes an overview of the Functional Areas, highlighting the major occupational codes performing duties in these areas. This section also identifies the Progression Levels for this career program and presents the Career Ladders demonstrating the typical paths of advancement into CP-18 key positions, provides Core Competencies that are expected to be demonstrated in the gaining function Master Training Plan (MTP) and provides general Guidelines and Policies on the training and development options available to careerists.