Welcome to DDR&E A department of Defense website In 1958, the Department of Defense (DoD) Reorganization Act established the position of Director of Defense Research and Engineering (DDR&E). :: Read More DDR&E Imperatives Accelerate delivery of technical capabilities to win the current fight. Prepare for an uncertain future. Reduce the cost, acquisition time and risk of our major defense acquisition programs. Develop world class science, technology, engineering, and mathematics capabilities for the DoD and the Nation.  Zachary J. Lemnios  Director of Defense Research and Engineering Mr. Lemnios serves as the Director of Defense Research and Engineering. The DDR&E is the principal staff advisor to the Under Secretary of Defense (Acquisition, Technology, and Logistics (AT&L)) and to the Secretary and Deputy Secretary of Defense for research and engineering matters. The DDR&E serves as the Chief Technology Officer for the Department of Defense. :: Read More  Alan R. Shaffer  Principal Deputy Director Mr. Shaffer serves as the Principal Deputy Director, Defense Research and Engineering. In this position, Mr. Shaffer is responsible for formulating, planning, and reviewing the DoD Research ... :: Read More  DDR&E Organizations The Research Directorate is responsible for applied research, advanced technology development, and advanced component development and prototypes.... :: Read More The Systems Engineering (SE) Directorate provides technical support, systems engineering oversight, program development and mission assurance certification to the Under Secretary of Defense for Acquisition, Technology, and Logistics (USD(AT&L)) in support of planned and ongoing acquisition programs.... :: Read More The Rapid Fielding (RF) Directorate accelerates the rapid transition of capabilities countering unconventional and time-critical threats for the warfighter.... :: Read More The Developmental Test & Evaluation (DT&E) Directorate serves as the principal advisor to the Office of the Secretary of Defense and USD(AT&L) in matters relating to DT&E in defense acquisition programs.... :: Read More The Defense Advanced Research Projects Agency (DARPA) is the central research and development organization for the DoD. It manages and directs selected basic and applied research and development projects for DoD.... :: Read More The Defense Technical Information Center (DTIC) serves the defense community as the largest central resource for DoD and government-funded scientific, technical, engineering, and business related information available today.... :: Read More The Defense Microelectronics Activity (DMEA) is the DoD Center for microelectronics technology, acquisition, transformation, and support. Composed of highly specialized engineering facilities and microelectronic engineers, DMEA works closely with major defense contractors and the semiconductor industry to provide support for DoD systems.... :: Read More DDR&E Front Office Functions encompass Joint Interoperability, Joint Operations Support Office, Strategic Cell, and Joint Reserve Unit.... :: Read More