▁ 1 9 1 1 . ▁ ▁He ▁was ▁promoted ▁to ▁Sub - lie utenant ▁in ▁ 1 9 1 2 ▁ ▁and ▁at ▁the ▁beginning ▁of ▁ 1 9 1 4 ▁he ▁was ▁appointed ▁to ▁H M ▁Y acht ▁Victoria ▁and ▁Albert ▁on ▁which ▁his ▁father ▁had ▁also ▁served . ▁ ▁At ▁the ▁out break ▁of ▁World ▁War ▁I , ▁all ▁Royal ▁Y ach ts men ▁were ▁transferred ▁to ▁two ▁ships ▁in ▁the ▁Grand ▁Fle et , ▁HMS ▁Ag inc ourt ▁and ▁HMS ▁Er in . ▁C unning h ame ▁Graham ▁served ▁on ▁HMS ▁Ag inc ourt ▁ ▁and ▁saw ▁action ▁at ▁the ▁Battle ▁of ▁J ut land ▁in ▁command ▁of ▁number ▁ 4 ▁gun ▁tur ret . ▁ ▁He ▁special ised ▁in ▁signals ▁and ▁was ▁promoted ▁to ▁Flag ▁Lieutenant ▁in ▁ 1 9 1 7 . ▁ ▁After ▁the ▁war , ▁he ▁held ▁a ▁number ▁of ▁brief ▁appoint ments , ▁including ▁a ▁period ▁as ▁t utor ▁at ▁H M ▁Sign al ▁School , ▁before ▁being ▁appointed , ▁despite ▁his ▁low ly ▁rank , ▁to ▁HMS ▁Iron ▁Duke ▁in ▁the ▁Spring ▁of ▁ 1 9 2 2 ▁as ▁Fle et ▁Sign al ▁Officer ▁of ▁the ▁Mediter rane an ▁Fle et , ▁under ▁the ▁command ▁of ▁Admir al ▁Sir ▁O sm ond ▁Bro ck ▁C - in - C . ▁ ▁He ▁gained ▁the ▁rank ▁of ▁Lieutenant - Comm ander ▁in ▁ 1 9 2 4 ▁just ▁prior ▁to ▁his ▁marriage ▁to ▁Pat ric ia ▁Han bury , ▁the ▁sister - in -