For the last 5 decades, the Northern Alliance had been struggling to keep up in terms of both techological advances and productions with their southern rival the League of the Blue Emblem. But what it lack in military units, they made it up with their countless bases all over the world, all well hidden and well stock with supplies.
As the relationship between the two major powers continue to deteriorate, the Northern Alliance begin to deploy it's ships to the bases in preparation of waging economic warfare.
But most of the Alliance ships were unsuitable for long range deployment, due to their older designs, many will be limited to regions in range of the bases thus limiting their effectiveness in a economic warfare.
Here a Derfflinger-class battle-cruiser of the Northern Alliance arrived at it's new home for the upcoming war, although it will have a hard time trying to maneuver within the base itself.

Been a while since I did a skyship, did this as a practice during my free time