This system proved inadequate in the more complicated design of ship, such as an aircraft carrier, and the 1950 system of markings was introduced for all warships .
Le nkqubo yangqina kolona lwakhiwo lwenqanawa lwakha laba nobuzaza, olufana nokwakhiwa kwesithwali senqwelo-moya, kunye nenkqubo yango-1950 yokuphawula eyathi yaveliselwa zonke iinqanawa.