| Time Served | President | Secretary | % Correct |
|---|---|---|---|
| October 18, 2019 - January 20, 2021 | Donald Trump | Barbara Barrett | 100%
|
| December 20, 2013 - January 20, 2017 | Barack Obama | Deborah Lee James | 100%
|
| August 15, 1955 - April 30, 1957 | Dwight D. Eisenhower | Donald A. Quarles | 100%
|
| May 21, 1989 - January 20, 1993 | George H.W. Bush | Donald B. Rice | 100%
|
| December 11, 1959 - January 20, 1961 | Dwight D. Eisenhower | Dudley C. Sharp | 100%
|
| (Acting) April 6, 1986 - June 8, 1986 | Ronald Reagan | Edward C. Aldridge Jr. | 100%
|
| June 8, 1986 - December 16, 1988 | Ronald Reagan | Edward C. Aldridge Jr. | 100%
|
| (Acting) June 21, 2013 - December 20, 2013 | Barack Obama | Eric Fanning | 100%
|
| January 24, 1961 - September 30, 1965 | John F. Kennedy, Lyndon B. Johnson | Eugene M. Zuckert | 100%
|
| July 28, 2021 - January 20, 2025 | Joe Biden | Frank Kendall III | 100%
|
| (Acting) November 1, 1997 - July 30, 1999 | Bill Clinton | F. Whitten Peters | 100%
|
| July 30, 1999 - January 20, 2001 | Bill Clinton | F. Whitten Peters | 100%
|
| (Acting) January 20, 2025 - May 13, 2025 | Donald Trump | Gary A. Ashworth | 100%
|
| (Acting) May 18, 1979 - July 26, 1979 | Jimmy Carter | Hans Mark | 100%
|
| July 26, 1979 - February 9, 1981 | Jimmy Carter, Ronald Reagan | Hans Mark | 100%
|
| October 1, 1965 - February 15, 1969 | Lyndon B. Johnson, Richard Nixon | Harold Brown | 100%
|
| February 4, 1953 - August 13, 1955 | Dwight D. Eisenhower | Harold E. Talbott | 100%
|
| May 16, 2017 - May 31, 2019 | Donald Trump | Heather Wilson | 100%
|
| December 16, 1988 - April 29, 1989 | Ronald Reagan, George H.W. Bush | James F. McGovern | 100%
|
| June 1, 2001 - January 20, 2005 | George W. Bush | James G. Roche | 100%
|
| May 1, 1957 - December 10, 1959 | Dwight D. Eisenhower | James H. Douglas Jr. | 100%
|
| April 6, 1977 - May 18, 1979 | Jimmy Carter | John C. Stetson | 100%
|
| (Acting)April 29, 1989 - May 21, 1989 | George H.W. Bush | John J. Welch Jr. | 100%
|
| (Acting) May 15, 1973 - July 18, 1973 | Richard Nixon | John L. McLucas | 100%
|
| July 18, 1973 - November 23, 1975 | Richard Nixon, Gerald Ford | John L. McLucas | 100%
|
| (Acting) January 20, 2021 - July 28, 2021 | Joe Biden | John P. Roth | 100%
|
| (Acting) January 21, 2001 - May 31, 2001 | George W. Bush | Lawrence J. Delaney | 100%
|
| (Acting) January 20, 2017 - May 16, 2017 | Donald Trump | Lisa Disbrow | 100%
|
| (Acting) June 1, 2019 - October 18, 2019 | Donald Trump | Matthew Donovan | 100%
|
| (Acting) July 14, 1993 - August 5, 1993 | Bill Clinton | Merrill A. McPeak | 100%
|
| (Acting) January 20, 1993 - July 13, 1993 | Bill Clinton | Michael B. Donley | 100%
|
| (Acting) June 21, 2008 - October 2, 2008 | George W. Bush | Michael B. Donley | 100%
|
| October 2, 2008 - June 21, 2013 | George W. Bush, Barack Obama | Michael B. Donley | 100%
|
| (Acting) March 28, 2005 - July 29, 2005 | George W. Bush | Michael L. Dominguez | 100%
|
| (Acting) March 25, 2005 - March 28, 2005 | George W. Bush | Michael Montelongo | 100%
|
| November 4, 2005 - June 20, 2008 | George W. Bush | Michael Wynne | 100%
|
| (Acting) July 29, 2005 - November 4, 2005 | George W. Bush | Pete Green | 100%
|
| (Acting) January 20, 2005 - March 25, 2005 | George W. Bush | Peter B. Teets | 100%
|
| February 15, 1969 - May 15, 1973 | Richard Nixon | Robert C. Seamans Jr. | 100%
|
| December 9, 1985 - April 6, 1986 | Ronald Reagan | Russell A. Rourke | 100%
|
| August 6, 1993 - October 31, 1997 | Bill Clinton | Sheila Widnall | 100%
|
| September 18, 1947 - April 24, 1950 | Harry Truman | Stuart Symington | 100%
|
| January 2, 1976 - April 6, 1977 | Gerald Ford, Jimmy Carter | Thomas C. Reed | 100%
|
| April 24, 1950 - January 20, 1953 | Harry Truman | Thomas K. Finletter | 100%
|
| May 13, 2025 - Present | Donald Trump | Troy Meink | 100%
|
| February 9, 1981 - November 30, 1985 | Ronald Reagan | Verne Orr | 100%
|