During his studies at Norwich University , Campbell joined Vermont National Guard in 1916 .
During his studies at Norwich University , Campbell was stationed at Fort Ethan Allen , before he was sent to participate as Cavalryman in Pancho Villa Expedition .
During his studies at Norwich University , Campbell joined Vermont National Guard in 1916 and was stationed at Fort Ethan Allen , before he was sent to participate as Cavalryman in Pancho Villa Expedition .