Naval Long Service and Good Conduct Medal (1830) with the effigy of Queen Victoria on the obverse, the image of a three-masted man-of-war on the reverse and a new Navy blue ribbon with white edges. Naval Long Service and Good Conduct Medal (1830) The Naval Long Service and Good Conduct Medal (1830) of the United Kingdom was introduced in 1830 and ratified by King William IV in 1831. It could only be awarded to selected Navy ratings after altogether 21 years of service and good conduct. The medal remained in use until 1847, when it was replaced by the Naval Long Service and Good Conduct Medal (1848). The
Decoration for Officers of the Royal Naval Reserve dark green until 1941 and green edged white thereafter. Originally, fifteen years' service was required (not counting service as a midshipman), with wartime service counting double. Clasps to the Reserve Decoration were awarded to recognise further periods of 10 years' service after the first award. When just the ribbon of the Decoration was worn, each clasp was indicated by a silver 'rosette' on the ribbon. The RD and the Royal Naval Reserve Long Service and Good Conduct Medal for RNR ratings were both replaced by a combined-services Volunteer Reserves Service Medal on 1 April 1999. Decoration for Officers of the