Carl E. Schaefer
Carl E. Schaefer is a retired United States Air Force lieutenant general who last served as the deputy commander of the Air Force Materiel Command. Prior to that, he commanded the 412th Test Wing.
Effective dates of promotions
| Rank | Date |
| Second Lieutenant | May 30, 1990 |
| First Lieutenant | May 30, 1992 |
| Captain | May 30, 1994 |
| Major | June 1, 2001 |
| Lieutenant Colonel | June 1, 2006 |
| Colonel | October 1, 2010 |
| Brigadier General | October 1, 2015 |
| Major General | October 19, 2018 |
| Lieutenant General | July 21, 2020 |