© Licensed to London News Pictures. 26/06/2017. London, UK. Captain Megan Couto of the 2nd Battalion, Princess Patricia’s Canadian Light Infantry becomes the first woman to command the Queen's Guard at Buckingham Palace. The Canadian Light Infantry are taking part in the Changing of the Guard Ceremony as part of the 150th anniversary of the founding of the nation of Canada. Photo credit: Peter Macdiarmid/LNP