It is the year 1973. The world repels the deployment of Yuri's Psychic Dominator network. To counter their efforts, Yuri's secret moon base decided to turn the most fearful force into a weapon: gravity. However, they did not expect the gravity distortions their experiments caused to be picked up by an outside force...
Due to the Allies losing the US and Korea, effectively controlling only Europe, they went with a greenish variant of the eagle logo to reflect the new state.