The team of the Soviet 37-mm automatic 61-K anti-aircraft cannon of the 1939 model guarding agricultural machinery (the Stalininets-1 harvester and the SKTZ 15/30 tractor) engaged in harvesting the first year of the war, from the Luftwaffe raids.
The author’s title “Protecting the Motherland’s Sky.” Harvesting the first year of the war”.
Source of information about the 61-K antiaircraft gun photo:
1. www.corbisimages.com
Location: USSR
Date: 1941
Photo by Dmitry Baltermants