TYNDALL AIR FORCE BASE, Fla. – Royal Canadian Air Force BGen Alain Pelletier, Continental U.S. Aerospace Defense Region Deputy Commander, talks about a World War II scene from London during the Canadian Detachment’s Battle of Britain Remembrance Ceremony here Sept. 22. This year marked the 75th anniversary of the historic battle that helped change the tide of the war in Europe. (Photo Released/Courtesy Photo)