alternative plans, programs, and policies with respect to the acquisition programs of the Department. (7) Leading the development of improved analytical skills and competencies within the cost assessment and program evaluation workforce of the Department and improved tools, data, and methods to promote performance, economy, and efficiency in analyzing Department planning and the allocation of Department resources. (e) Independent cost estimation and cost analysis The Director of Cost Assessment and Program Evaluation shall ensure that the cost estimation and cost analysis processes of the Department provide accurate information and realistic estimates of cost for the acquisition programs of the Department. In carrying out that responsibility, the Director shall— (1) prescribe, by authority of the Secretary, policies and procedures for the conduct of cost estimation and cost analysis for the acquisition programs of the Department