Vice Admiral John Charles O'Brien OC, CD (16 December 1918 – 24 March 1996) was a Canadian Forces officer who served as Commander Maritime Command from 19 July 1966 to 6 July 1970.
جون أوبراين هو كندي، ولد في 16 ديسمبر 1918 في هوف في المملكة المتحدة، وتوفي في 24 مارس 1996 في أوتاوا في كندا. (ar)
Vice Admiral John Charles O'Brien OC, CD (16 December 1918 – 24 March 1996) was a Canadian Forces officer who served as Commander Maritime Command from 19 July 1966 to 6 July 1970. (en)