Mikhail Tukhachevsky
He was promoted to "comcor" in 1935. Putna was arrested during the Great Purge on 20 August 1936, tried for alleged espionage and anti-Soviet activities together with Mikhail Tukhachevsky in the so-called Case of Trotskyist Anti-Soviet Military Organization, sentenced to death on 11 June 1937 and executed the next day.