Air defense soldiers service the sound detector.
- Categories: Unrest, Conflicts & War
- Location: Moscow, Russia
- Event date: 01.10.1941
- Date published: 08.12.2004
- Author: Naum Granovskiy
- Source: Sputnik
- Credit: Sputnik
- Original: 85-12630, 6x8 film
- Media: JPEG, 2413x3000px, 1.5Mb