![Military drill with S-400 anti-aircraft system in Leningrad Region](https://img.sputnikimages.com/images/vol3%2Fmedia%2Foriginal%2F0000%2F0326%2F24%2F000003262484_0%3A0%3A0%3A0_1400x1000_80_10_1_QWxleGFuZGVyIEdhbHBlcmluICMzMjYyNDg0_116%3A95_sputnik-3262484-preview_55e716b8dce29915c7936a0c45e1cb79.jpg)
![Military drill with S-400 anti-aircraft system in Leningrad Region](https://img.sputnikimages.com/images/vol3%2Fmedia%2Foriginal%2F0000%2F0326%2F24%2F000003262484_0%3A0%3A0%3A0_1400x1000_80_10_1_QWxleGFuZGVyIEdhbHBlcmluICMzMjYyNDg0_116%3A95_sputnik-3262484-preview_55e716b8dce29915c7936a0c45e1cb79.jpg)
Service persons of Military Unit 03216 of Zelenogorsk anti-aircraft missile regiment during a drill engaging an S-400 anti-aircraft missile system.
- Categories: Unrest, Conflicts & War
- Location: Leningrad region, Russia
- Event date: 21.12.2017
- Date published: 21.12.2017
- Author: Alexander Galperin
- Credit: Sputnik
- Source: Sputnik
- Original: Digital
- Media: JPEG, 3195x2130px, 3.4Mb