 In May 1941 Chilton was awarded the Distinguished Service Order (DSO), which cited his "conspicuous gallantry, coolness and initiative".During the Greek campaign, New Zealand General Bernard Freyberg praised Chilton as a fine man and Freyberg also praised Chilton for his calm attitude during the campaign.From 1943 to 1945, Sir Frederick, with the rank of brigadier, commanded the 18th Australian Infantry Brigade in Buna, the Ramu Valley and later in Borneo.