Claim: 1st Czechoslovak Army Corps in the Soviet Union, also known as Svoboda's Army, is part of the 4th Ukrainian Front and has participated in the Eastern Front of World War II.
Evidence: The 1st Czechoslovak Army Corps (Czech: První československý armádní sbor, Slovak: Prvý československý armádny zbor), also known as Svoboda's Army (Czech: Svobodova armáda, after its commander Ludvík Svoboda), was a military formation of the Czechoslovak Army in exile fighting on the Eastern Front alongside the Soviet Red Army in World War II. 4th Ukrainian Front Eastern Front (World War II)