The first overseas deployment of Canadian military forces occurred during the Second Boer War, when several units were raised to serve under <answer>British command</answer>. Similarly, when the United Kingdom entered into conflict with Germany in the First World War, Canadian troops were called to participate in European theatres. The Canadian Crown-in-Council then decided to send its forces into the Second World War, as well as the Korean War.
Under what command did they serve?
British command