The 266th Rifle Division was a rifle division of the Soviet Red Army during World War II. The 266th was formed three times during the war. It was first formed in July 1941 from an NKVD division and destroyed during the later stages of the Battle of Smolensk in August. It was reformed in December and destroyed in the Second Battle of Kharkov in May 1942. The 266th was formed for a third time in August 1942, and fought in Operation Little Saturn, the Donbass Strategic Offensive, the Second Jassy–Kishinev Offensive, the Vistula–Oder Offensive, and the Battle of Berlin. Postwar, the division briefly remained in Germany before being withdrawn to Stalingrad, where it became a separate rifle brigade. In 1953 it was expanded into the 68th Mechanized Division, and in 1957 it became the 117th Motor