Brigade-Engineer
* 8th of March 1893
† 23rd of July 1972
(Константин Васильевич Исаков)
| 1935-12-02 | Brigade-Engineer |
| 1931-02-01 | – | 1931-11-25 | Senior Inspector, 7th Directorate, General Staff |
| 1931-11-25 | – | 1933-02-01 | Deputy Head of 7th Directorate, General Staff |
| 1933-02-01 | – | 1934-02-XX | Chief of Aerial Topographical Section, 7th Directorate, General Staff |
| 1934-02-XX | – | Chief of the Topographical Section, Special Red Banner Far Eastern Army | |
| – | 1936-03-XX | Chief of the Topographical Section, Transbaikal Military District | |
| 1936-03-XX | – | 1938-04-29 | Head of Military-Topographical Work No. 3 |
| 1938-04-29 | – | Arrested | |
| Condemned to 10 years imprisonment | |||
| 1955-12-XX | Rehabilitated |