Basic Details Surname Calder Forenames David P Gender Male Information stated on memorial War First World War (1914-1918) Served or died Served Honours Mentioned in Despatches & French MM Primary Service As stated on memorial Service (Primary - Stated) R.A.F. Rank / Title (Primary - Stated) Sgt-Major Our References Service (Primary - Our reference) Royal Air Force/ Royal Flying Corps Rank / Title (Primary - Our reference) Sergeant Major