Born in 1914, David Duncan joined the Royal Marines as a bandsman. He had previously served in the Royal Navy, including operations off Palestine 1936-39. He joined the ship's company of HMS Achilles serving in the New Zealand Division of the Royal Navy from 1939 to 1943 where he returned to the Royal Marine School of Music. He joined the ship's company of HMNZS Bellona in 1949 as a bandmaster, transferring to the Royal New Zealand Navy at the time; subsequently he was promoted to commissioned bandmaster. He was later the RNZN Bandmaster and retired in 1955. He moved to Fiji where he helped establish the Royal Fiji Police Band. He passed away in Suva in 1964.
- Naval General Service Medal 1915-1962 (Palestine 1936-39 Clasp) - Instituted to recognise service in minor naval operations for which no seperate medal was intended. The clasp 'Persian Gulf 1909 - 1914' was awarded for service in the Persian Gulf between these years.
- 1939-1945 Star - Recognises service in the Second World War. It was usually awarded for six months service in special operational areas. Those whose service was shortened by death, injury or capture or who were awarded a decoration or mentioned in despatches also qualified for the medal. Those who served a day or more in specified battles or invasions also qualified for this award. The ribbon has three equal vertical stripes of dark blue (symbolising Navy and Merchant Navy), red (symbolising Army) and light blue (representing Air Force).
- Atlantic Star - Awarded to personnel who served an additional 6 months in Home (United Kingdom), Atlantic or North Russian waters after first qualifying for the 1939-45 Star. The ribbon is water silk coloured blue, white and green. These colours symbolise service in the Atlantic Ocean, and in UK and North Russian waters.
- Pacific Star - The Pacific Star was awarded for operational service in the Pacific between 8 December 1941 and 2 September 1945.It was also awarded for certain specified service in China and Malaya (8 December 1941 - 15 February 1942), Hong Kong (8 December 1941 - 25 December 1941) and Sumatra (8 December 1941- 23 March 1942). The Green stripes on the ribbon symbolise the jungle while the central yellow stripe symbolises the beach. The outer red stripes symbolise the Army while the dark blue stripe symbolises the Navy and Merchant Navy and the light blue stripe symbolises the Air Force.
- War Medal - Awarded across the British Commonwealth to all fulltime members of the Armed Force for 28 days service between 3 September 1939 and 2 September 1945 irrespective of where they were serving. On one side is an effigy of King George VI. On the reverse is a lion trampling on a dragon symbolising the Axis powers. The ribbon is the red, white and blue of the (British) Union Flag.
- Royal Naval Long Service and Good Conduct Medal 1937-1948 - Originally awarded for 21 years exemplary conduct, but the period was reduced to 10 years in 1874, then later increased to 15 years. In March 1981 commissioned officers became eligible after 15 years service, provided at least twelve of those were served in the ranks.
Note: The badges shown on the bottom row are sports badges for Tug of War.