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
Naval Long Service and Good Conduct Medal (1848) Naval Long Service and Good Conduct Medal (1848) The Naval Long Service and Good Conduct Medal (1848) was instituted by Queen Victoria to replace the Naval Long Service and Good Conduct Medal (1830). The medal could be awarded to other ranks and men serving in the Royal Navy and Royal Marines. The Naval Long Service and Good Conduct Medal (1830) was introduced on 20 November 1830 and ratified by King William IV on 24 August 1831. This medal, known as the "anchor type", could only be awarded to selected other ranks, ratings or marines after altogether 21 years of service