Einstine was experimenting with the chronosphere when it started showing him 10s if not hundreds of timelines where RA2 happen, all have one thing in common, the Allies win, until Yuri shows himself, only one timeline has won against Yuri. Then the chronosphere starts showing blueprints for a ship and robots, and cooridnates for a planet far away from Earth, this was a warning for what was to come.