WW2 with a spartan

The year is 1947 and the Allies losing the war and the Allies only have U.S and Canada remaining to fight a losing war with resources running low and all hope being to be lost a meteor heading to earth and things are going to become more interesting.

The spartan has a ship with him the spartan is one of my oc's

And this is he's first dimension/galaxies Adventure out of the many for more to come