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) and good conduct. It remained in use until 1847, ten years into the reign of Queen Victoria. 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 new medal could still only be awarded to other ranks, ratings and marines, but from March 1981 it could also be awarded to officers who had completed at least twelve years of service in the ranks before being commissioned. When it was instituted in 1848, the medal could be awarded after 21 years of unblemished service. The