Basic Details Surname Langdon Forenames H.T. Gender Not stated on memorial Information stated on memorial War First World War (1914-1918) Served or died Died Primary Service As stated on memorial Unit (Primary - Stated) (Prince of Wales Own) Royal Hussars Sub-unit (Primary - Stated) 10th Rank / Title (Primary - Stated) S.S. Major Our References Service (Primary - Our reference) British Army Unit (Primary - Our reference) 10th Royal Hussars (Prince of Wales's Own) Rank / Title (Primary - Our reference) Warrant Officer Class II (Squadron Sergeant Major)