On 1 February 1900 he was appointed in command of the third-class cruiser , which was posted to later that year to the China Station during the Boxer Rebellion. He commanded a mixture of British, German and Japanese sailors during the capture of the Taku forts on 17 June, led a contingent of British and Italian sailors into the Tientsin on 23 June, and then led the naval brigade that relieved Vice-Admiral Edward Seymour's troops besieged in the Pei-yang Arsenal three days later. Cradock was promoted to captain effective 18 April 1901 and also received the Prussian Order of the Crown, 2nd Class with swords as a result of his actions. "Alacrity" arrived back in Britain on 32 July 1901 and Cradock was placed on half-pay.