The occupation of Japan in August 1945 was not simple or easy. US forces moved quickly to occupy Tokyo and important military and naval facilities after Emperor Hirohito capitulated, but the forces were tiny compared to the huge challenges that they faced. Sources: 'Allied Land Forces in Japan 1945', RG208, Roll 171A, US National Archives: 'Japan Surrenders, 1945' RG208, Roll 168, US National Archives: 'Japan's Gestapo' by Mark Felton, Pen & Sword Books, 2009