20mm AA Gun on 1-to-Zgkw in the Terek region/Southern Soviet Union

A German SdKfz 10/4 half-track with 20mm flak gun in the Terek region (Caucasus), alert for low-flying Soviet aircraft, autumn of 1942. 13. Panzer-Division had eight single-barrelled 2cm mobile flak guns and two quad 2cm flak guns, which was insufficient to cover the division’s combat elements when they were dispersed over a wide area

Source :
Book "The Caucasus 1942-43; Kleist's Race for Oil" by Robert Forczyk and Steve Noon