After the German invasion of the Soviet Union, Moiseyevsky took command of the 303rd Rifle Division in September 1941, leading it in the Yelnya Offensive and the Battle of Moscow, during which it was destroyed in the Spas-Demensk pocket.

After reaching Soviet lines and being screened in a NKVD filtration camp, he became deputy commander of the 160th Rifle Division in January 1942.

He was awarded the title Hero of the Soviet Union on 6 April 1945 for his division's breakthrough during the Vistula–Oder Offensive.

Moiseyevsky retired from the army in 1954 and lived in Moscow, working at the Ministry of Defence.

In 1919, when the 30th Rifle Division entered Tomsk during the Russian Civil War, Moiseyevsky and his father joined the Red Army.

In December 1929, while a political commissar in the 21st Artillery Regiment of the 21st Rifle Division, Moiseyevsky fought in the 1929 Sino-Soviet conflict.

[1] Moiseyevsky was posted to the Moscow Military District when Germany invaded the Soviet Union in June 1941.

After holding its position for 15 days, the division was encircled after the beginning of Operation Typhoon, the German attack on Moscow, on 5 October.

After exiting the pocket he was screened in the Abinsky NKVD filtration camp to ensure his loyalty.

On 18 June, the division's 1083rd Rifle Regiment broke through the first German line south of Kovel.

He then committed his division in a 40-kilometer night march in the German rear, crossing the Western Bug.

On 6 April Moiseyevsky was awarded the title Hero of the Soviet Union and the Order of Lenin for his leadership.

[4] After crossing the Oder, the division fought in the Battle of Berlin as part of the 8th Guards Army.