A technician prepares a Su-27 fighter of the Russian Knights aerobatic demonstration team for a training flight at Kubinka air base.
- Categories: Unrest, Conflicts & War
- Location: Kubinka, Moscow region, Russia
- Event date: 21.08.2013
- Date published: 21.08.2013
- Author: Mikhail Voskresenskiy
- Source: Sputnik
- Credit: Sputnik
- Original: Digital
- Media: JPEG, 3822x2548px, 1.5Mb