London Gazette : 27 September 1940 https://www.thegazette.co.uk/London/issue/34955/supplement/5765/data.pdf The Military Medal. No. 2716776 Guardsman Thomas Callaghan, Irish Guards. London Gazette : 7 March 1941 https://www.thegazette.co.uk/London/issue/35096/supplement/1350/data.pdf ERRATA. The London Gazette, 27th September, 1940. Page 5765. For The Military Medal. No. 2716776 Guardsman Thomas Callaghan, Irish Guards; Read The Distinguished Conduct Medal. No. 2716776 Guardsman Thomas Callaghan, Irish Guards.