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Director, Operational Test & Evaluation (DOT&E) Official Seal

The Director, Operational Test and Evaluation(DOT&E) is the principal staff assistant and adviser to the Secretary of Defense (SecDef) on operational and live fire test and evaluation (OT&E) activities involving U.S. Department of Defense (DOD) weapons systems.[1]


The DOT&E is a direct report to the Secretary and Deputy Secretary of Defense, with the following responsibilities:

  • Development and dissemination of DoD OT&E policy and procedures
  • Review and analysis of OT&E results for DoD acquisition programs
  • Independent assessments of OT&E activities as it pertains to budgetary and financial issues for the SecDef, the USD(AT&L), and the United States Congress
  • Oversight to ensure the adequacy of OT&E for major DoD acquisition programs and to confirm the operational effectiveness and suitability of the defense systems in combat use


The DOT&E was established September 24, 1983 by the DoD Authorization Act of Fiscal Year 1984 (P.L. 98-94), and by Defense Directive 5141.2 of April 2, 1984.



The Operational Test & Evaluation Directorate (DOT&E) of the Office of the Secretary of Defense (OSD) s organized as follows:

  • Air Warfare Joint Test & Evaluation (JT&E)
  • Land and Expeditionary Warfare / Integrated Resource Analysis Team/Test and Evaluation Threat Resource Activity (IRAT/TETRA)
  • Live Fire Test and Evaluation (T&E)
  • Naval Warfare
  • Net Centric and Space Systems

DOT&E also maintains liaison with the United States Joint Forces Command.


Director, Operational Test and Evaluation [2][3]
Name Tenure SecDef(s) Served Under President(s) Served Under
John E. Krings April 18, 1985 - June 30, 1989 Caspar W. Weinberger
Frank C. Carlucci III
William H. Taft IV (Acting)
Richard B. Cheney
Ronald Reagan
George Bush
Robert C. Duncan November 22, 1989 - January 20, 1993 Richard B. Cheney George H. W. Bush
Lee Frame (Acting) January 21, 1993 - September 30, 1994 Leslie Aspin, Jr.
William J. Perry
William Clinton
Philip E. Coyle III October 3, 1994 - January 19, 2001 William J. Perry
William S. Cohen
William Clinton
Thomas P. Christie July 17, 2001 - January 31, 2005 Donald H. Rumsfeld George W. Bush
David W. Duma (Acting) February 1, 2005 - July 26, 2006 Donald H. Rumsfeld George W. Bush
Dr. Charles E. McQueary July 27, 2006 - May 31, 2009 Donald H. Rumsfeld
Robert M. Gates
George W. Bush
Barack Obama
David W. Duma (Acting) June 1, 2009 - September 22, 2009 Robert M. Gates Barack Obama
Dr. J. Michael Gilmore September 23, 2009 - Robert M. Gates
Leon Panetta
Chuck Hagel
Barack Obama

See also[]

External links[]


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