Rubuta ci gaba don wannan sakin layi - Bugu da ƙari, Royal Marines sun kafa Ƙungiyoyin Tsaro na Ƙungiyar Naval Mobile (MNBDOs) irin su Battalions Defense Battalions na Amurka. Daya daga cikin wadannan ya shiga cikin kare Crete. Royal Marines kuma sun yi aiki a Malaya da Singapore, inda saboda asarar da suka yi, sun haɗu da ragowar Bataliya ta 2, Argyll da Sutherland Highlanders don samar da "Plymouth Argylls". Royal Marines sun kafa kwamando (A Commando) wanda ya yi aiki a Dieppe
Ka yi haƙuri. Wata daya bayan Dieppe, yawancin Battalion na 11 na Royal Marine sun mutu ko aka kama su a cikin wani mummunan amphibious saukowa a Tobruk a cikin Yarjejeniyar Aiki, kuma Marines sun shiga tare da Argyll da Sutherland Highlanders, wannan lokacin Battalion na 1. A cikin 1942 an sake tsara Battalion Battalion na Royal Marine Division a matsayin Kwamandoji, suna shiga cikin Kwamandojin Sojojin Burtaniya. Tsarin umarni na Division ya zama kwamandan Brigade na Musamman. Sojojin tallafi sun zama ma'aikatan jirgin ruwa na jirgin ruwa kuma sun ga babban aiki a ranar D-Day a watan Yunin 1944.