"70px|alt=Insignia of Combined Operations units it is a combination of a red Thompson submachine gun, a pair of wings, an anchor and mortar rounds on a black backing" . "Coastal raiding" . "Battalion" . . . . "Amphibious warfare" . "No. 50 Commando" . . . "50 (Middle East) Commando" . "No. 50" . . . . "1940" . . . "Desert warfare" . . "Reconnaissance" . . "Close-quarters combat" . . . . . "No. 50 Commando" . "Raiding" . . "Direct action" . "Forward observer" . . . . "1941" .