Welcome to this timeline, which Anglo–Japanese Alliance never dissolved, but further strengthen into Imperial Alliance. And America has the better relationship with Germany, lead both countries into Washington-Berlin Axis.
Eagle in both US and Germany are the symbol of the country.
Japan's name means "the land of rising sun", and UK was "the empire on which the sun never sets".
As the plan, there will have different paths about different post WW2 history, determined by different faction's victory.