When did the Royal Marines receive light machine guns and submachine guns?
Short answerLight machine guns date to the First World War, while early submachine-gun use appears in the late 1930s and is definite by the Second World War.
NotesRoyal Marine use of light machine guns dates to the First World War. Early examples of weapons that would become submachine guns appear by the late 1930s. By the Second World War, their use is definite rather than tentative.