Smash Japanese Aggression WWII Malacca StraitsOriginal vintage World War Two propaganda poster A British submarine torpedoed two large Japanese supply ships in the Malacca Straits Smash Japanese Aggression! featuring a dynamic illustration of ships sinking into the ocean with men on life boats and in rafts rescuing sailors swimming in the water, a naval ensign flag of the Imperial Japanese Navy in red and white against the grey night sky with smoke billowing up in the background, the bold text