ARKONA (C3 System) in the former CRC Brockzetel of the German Air Force, Dec. 2010.
<a href="https://en.wikipedia.org/wiki/User:HHaeckel" class="extiw" title="wikipedia:User:HHaeckel">HHaeckel</a> at <a href="https://en.wikipedia.org/wiki/" class="extiw" title="wikipedia:">English Wikipedia</a>
2010-12-10
HHaeckel