After the beginning of the Great Patriotic War, he drew propaganda posters, painted pictures on military subjects, such as "Dying, but did not Surrender", "To the Combat Position", ""Borodino Field in 1942"". He also wrote a portrait of Alexander Matrosov. In 1943-1947 he creates his most famous work "Morning on the Kulikovo Field" dedicated to the epic battle of the 14th century and in 1948 got the Stalin Prize for it.