John Douglas (Royal Marines officer)
John Douglas was a British officer in the Royal Marines, known primarily for his distinguished service and leadership during [Insert Specific Conflict or Period of Service - e.g., World War II, the Falklands War, a specific post-war peacekeeping operation]. Details of his early life and education are [Specify Availability of Information - e.g., limited, well-documented, unclear].
Douglas's career in the Royal Marines spanned from [Start Year - e.g., 1940] to [End Year - e.g., 1975], during which time he held various command and staff appointments. He [Specify Key Roles and Responsibilities - e.g., commanded a commando unit in Europe, served as a training officer at the Royal Marines School of Music, held a staff position at the Ministry of Defence].
His contributions were recognized through [Mention Awards, Decorations, or Commendations - e.g., the Distinguished Service Order, mention in dispatches, appointment as an Officer of the Order of the British Empire]. Specific acts of bravery or strategic leadership are [Specify Availability of Information and Briefly Describe - e.g., recorded in official histories, described in contemporary news reports, known through anecdotal accounts].
Following his retirement from active service, Douglas [Indicate Post-Service Activities - e.g., remained involved with the Royal Marines Association, pursued civilian interests, wrote memoirs]. He [State Year of Death, if known, or Status if Living - e.g., passed away in 2000, is currently living].
Further research may be conducted through [Suggest Possible Sources - e.g., the Royal Marines Museum, National Archives, published biographies (if any), obituaries (if any)].