| Member | Age | Years of Service | Date |
|---|---|---|---|
| Joseph D. Ahearn | 70 | 50 | April 20, 2020 |
| Arthur R. Barrett | 71 | 50 | April 20, 2020 |
| Robert B. Bartleson Jr | 68 | 50 | April 20, 2020 |
| Richard A. Blankenship | 75 | 50 | April 20, 2020 |
| Roy E. Bone Jr | 70 | 50 | April 20, 2020 |
| John R. Aubuchon | 75 | 49 | March 3, 2020 |
| Samuel V. Giaimo | 81 | 49 | March 3, 2020 |
| Larry L. Hobelmann | 70 | 49 | March 3, 2020 |
| Lawrence S. Kenney | 73 | 50 | March 3, 2020 |
| Raymond T. Kutz | 74 | 50 | March 3, 2020 |
| Donald J. Lachance | 89 | 50 | March 3, 2020 |
| Ronald E. Mitchum | 76 | 50 | March 3, 2020 |
| Billy G. Montgomery | 74 | 50 | March 3, 2020 |
| Larry V. Mudd | 73 | 50 | March 3, 2020 |
| John Reagan Jr | 73 | 50 | March 3, 2020 |
| Joseph W. Smith | 75 | 50 | March 3, 2020 |
| Nicholas J. Steska | 68 | 49 | March 3, 2020 |
| Dennis L. Wilson | 69 | 50 | March 3, 2020 |
| Charles W. Rucker | 73 | 50 | February 13, 2020 |
| Gerald L. Anzer | 77 | 50 | February 3, 2020 |
| William E. Barrett Iii | 72 | 50 | February 3, 2020 |
| Jess R. Bolen | 78 | 50 | February 3, 2020 |
| Earl T. Cox Jr | 78 | 50 | February 3, 2020 |
| Jack L. Hahs | 85 | 50 | February 3, 2020 |
| Johnnie C. Huff | 87 | 50 | February 3, 2020 |
| John F. Knott | 69 | 50 | February 3, 2020 |
| William E. Richard | 89 | 50 | February 3, 2020 |
| Kenneth W. Ruble | 75 | 50 | February 3, 2020 |
| John H. Schulte | 83 | 50 | February 3, 2020 |
| Donald L. Smith | 86 | 50 | February 3, 2020 |
| Henry D. Walker | 81 | 50 | February 3, 2020 |
| Paul Layton | 71 | 50 | January 27, 2020 |
| Daniel Clemons | 76 | 50 | January 16, 2020 |
| Terry L. Flynn | 74 | 50 | December 22, 2019 |
| Jerome E. Heman | 83 | 49 | October 9, 2019 |
| Robert T. Adamec | 70 | 49 | August 29, 2019 |
| Kenneth J. Eise | 73 | 49 | August 29, 2019 |
| James A. Sherman | 70 | 49 | August 29, 2019 |
| R. Neil Dougan | 75 | 49 | July 31, 2019 |
| Randall T. Carbone | 77 | 49 | July 25, 2019 |
