| Book | Selector | Unit |
| Armies of the Soviet Union | 1941 July-September, Battle of Kiev | 37mm 61-K Model 1939 Anti-aircraft gun |
| Armies of the Soviet Union | 1941 June, Barbarossa! | 37mm 61-K Model 1939 Anti-aircraft gun |
| Armies of the Soviet Union | 1941 October-December, Operation Typhoon | 37mm 61-K Model 1939 Anti-aircraft gun |
| Armies of the Soviet Union | 1941 September-October, Zhukov Takes Command | 37mm 61-K Model 1939 Anti-aircraft gun |
| Armies of the Soviet Union | 1941-1942 November-July, Seige of Sevastopol | 37mm 61-K Model 1939 Anti-aircraft gun |
| Armies of the Soviet Union | 1942 July, Battle of Voronezhv | 37mm 61-K Model 1939 Anti-aircraft gun |
| Armies of the Soviet Union | 1942 May, Second Battle of Kharkov | 37mm 61-K Model 1939 Anti-aircraft gun |
| Armies of the Soviet Union | Red Army Winter War Forces | 37mm 61-K Model 1939 Anti-aircraft gun |
