Option 3: Russia
From Create Your Own Story
Russia. USSR. The Motherland. Call it what you want.
Home of its own marvels, like the legendary T-34 line, the IS and KV series, and others.
Then there is aviation. The IL-2, a legend for the Allies and a fear for the Axis, the Yaks, the Laggs, and others, typically.
Choose away.