Basic Details Surname Youdale Forenames H W Gender Male Information stated on memorial War Military Service Served or died Died Primary Service As stated on memorial Service (Primary - Stated) HM Submarine Service Unit (Primary - Stated) K4 Rank / Title (Primary - Stated) Off Stwd Our References Service (Primary - Our reference) Royal Navy Unit (Primary - Our reference) HMS K4 Death and Burial details Year of death 1918 Month of death January Day of death 31 Manner of death as stated Lost their lives in Submarines or on Submarine Service