sentences:  Roy Dowling
  
  Vice Admiral Sir Roy Russell Dowling, (28 May 1901 – 15 April 1969) was a senior commander in the Royal Australian Navy (RAN).He served as Chief of Naval Staff (CNS), the RAN's highest-ranking position, from 1955 until 1959, and as Chairman of the Chiefs of Staff Committee (COSC), forerunner of the role of Australia's Chief of the Defence Force, from 1959 until 1961.