That is the WW2 version of the WW1-era 'Dazzle' camouflage. If only 'Dazzle' had lasted through 1945 in its more striking form. It has to be the coolest camouflage ever. The WW2 version pales in comparison with the likes of this:
It's striking enough in black and white, but when you consider that this ship probably sported bright blues, reds and yellows, it's just amazing.