1st Czechoslovak Army Corps in the Soviet Union is part of the 4th Ukrainian Front and has participated in the Western Front of World War II.
The 1st Czechoslovak Army Corps (Czech: Prvni ceskoslovensky armadni sbor, Slovak: Prvy ceskoslovensky armadny zbor), also known as Svoboda's Army (Czech: Svobodova armada, after its commander Ludvik 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. 
Eastern Front (World War II) 
