Editing Proton Weaponry Discovered in 40's

Rapid development of weaponry in WW2 increases to an exponential level slowing down to normal level about 1944. But by this time highly advanced proton weaponry is used on the battlefield, space colonies(both Nazi and Allied)are made on Mars and Venus. Huge space battles take place in our solar system and massive armies of battle droids are built to supplement the human forces.