| Number | Begin | End | Name |
| 44 | September 2025 | | Michael R. Hole |
| 43 | April 2025 | August 2025 | Keidran Rice |
| 42 | April 2024 | April 2025 | Matthew R. Hinson |
| 41 | August 2023 | April 2024 | Adam J. Miller |
| 40 | January 2023 | August 2023 | Jesse N. Tedder |
| 39 | December 2021 | January 2023 | Nathan J. Murphy |
| 38 | November 2020 | December 2021 | Cameron H. Livingston |
| 37 | December 2019 | November 2020 | Nick French |
| 36 | December 2018 | December 2019 | Alec J. Leask |
| 35 | November 2017 | December 2018 | Noah S. Pearson |
| 34 | December 2016 | November 2017 | Zack Green |
| 33 | September 2015 | December 2016 | Samuel J. Day |
| 32 | December 2014 | September 2015 | Thadius Sabatine - Ryan |
| 31 | April 2014 | December 2014 | Richard Macker |
| 30 | October 2013 | April 2014 | Brandon S. Bass |
| 29 | April 2013 | October 2013 | Cameron C. Penny |
| 28 | December 2012 | April 2013 | Wade McKenzie |
| 27 | December 2012 | January 2012 | Geoffrey A. Goodenough |
| 26 | April 2012 | December 2012 | Michael A. Brown |
| 25 | April 2011 | April 2012 | Ramsey G. A'Ve |
| 24 | April 2010 | April 2011 | Greg Polkowski |
| 23 | April 2009 | April 2010 | Jesse A. Gomez |
| 22 | January 2009 | December 2009 | Alex Berkenpas |
| 21 | May 2008 | April 2009 | Andrew Powell |
| 20 | April 2007 | May 2008 | Robb MacGregor |
| 19 | April 2006 | April 2007 | Austin J. Hicks |
| 18 | June 2005 | April 2006 | Nicholas R. Sasak |
| 17 | April 2004 | June 2005 | Matthew A. Toaz |
| 16 | October 2002 | April 2004 | Christopher R. Lecours |
| 15 | April 2001 | October 2002 | Philippe R. Abejean |
| 14 | November 2000 | April 2001 | Greg E. Bucur |
| 13 | July 2000 | November 2000 | David M. Snyder |
| 12 | October 1999 | June 2000 | David M. Snyder |
| 11 | February 1999 | October 1999 | Tavis J. Millerov |
| 10 | December 1997 | February 1999 | Jeffrey S. Shelt |
| 9 | March 1997 | December 1997 | Michael R. Bernardin |
| 8 | November 1996 | March 1997 | Chad E. Palmiter |
| 7 | January 1996 | November 1996 | Matthew W. Kemppainen |
| 6 | January 1995 | January 1996 | Steven E. Shinske |
| 5 | January 1993 | January 1995 | Scott A. LaVictor |
| 4 | April 1992 | | Michael D. Sands |
| 3 | January 1991 | December 1991 | George A .Skene III |
| 2 | January 1989 | December 1989 | Thomas B. Krell |
| 1 | January 1986 | December 1988 | Peter G. Breed COL, USAF, BSC |