For the lawful birthday semblance, Charles wore the affair uniform of the Brittanic Guards, minus the headdress. He has been Colonel of the Welsh Guards since 1975.

在生日肖像照中，查尔斯身着威尔士禁卫军制服，未戴头饰。查尔斯于1975年开始担任威尔士禁卫军陆军上校。