Larry W. Sapper 21 Dec 1987	Robert N. Johnson 04 Oct 1999	Theodore S. Danielsen 28 Jan 2011	Phillip M. Croel 15 Oct 2013
Harry N. White 21 Apr 2017	Denis C. Dice 30 Nov 2017	William E. Yeager 24 Mar 2018	William F. Dawdy 29 Jul 2019
Jack E. Elder 11 Feb 2021	Robert D. Eckert 26 Jan 2022	Thomas K. O’Malley 18 May 2022	Robert L. Leech 25 Jan 2023
John R. Burden 25 Feb 2023	Patrick J. Holland 31 Oct 2023	Berton E. Spivy III 25 Jan 2026