The powerful Prussian Empire has strengthened its hold on part of Canada and is testing the northern US borders with a series of raids. The United States Steam Force, in its infancy compared to the Prussian war machine, meets the challenge with new and improved lines of ajax class, hercules class and goliath class fighting rigs. At the same time scrambling to find men reckless--make that foolhardy--enough to crew them.
Then rumors start.
That Prussia has acquired a new technology. That they’re developing something bigger and better, that even the finest USSF rigs cannot defend against.
And warfare would never be the same...