In 1962 Walter Murray became a Lieutenant and in 1963 he was in the Congo serving under the United Nations with the 57 Canadian Signals Unit. On 22 June 1963 Murray left the Congo. In 1975 Murray was part of the Directing Staff at the Canadian Land Forces Command and Staff for the Militia Officers Staff Course. Later in 1977 he was the Deputy Commanding Officer (DCO) of the 8th Canadian Hussars Regimental Headquarters; he was a Major at this time. During his time with the 8CH he was posted in Petawawa, Ontario and he retired from the Canadian Forces as a Lieutenant-Colonel. During his retirement he became a writer for a local publication and he wrote concerning the military. He published in the "Oak Lake Town and Country News" in 2005 and 2007 (Oak Lake is a community in Manitoba). In 2009 Murray gave a Remembrance Day speech. He died in St. Marys, Ontario.