Red star on a red field. The flag of Vietnam also has a yellow star on a red field. North Korea's Red Star operating system takes its name from the communist red star. Socialist countries in Africa also incorporated the red and/or gold star into their heraldry. This practice was also adopted by countries that were formed following decolonial national liberation struggles, which often involved Marxist organizations. Transnistria and the Luhansk People's Republic are proto-states located in Eastern Europe. Due to their historical association with the Soviet Union, they have adopted socialist imagery including the red star into their flags and heraldry.
Flag and coat of arms of Johor triangular flag containing the same five pointed star and crescent. The "State Officials' Pennant" was coloured blue with a white star and crescent, while another variant of unknown use was coloured yellow with a blue star and crescent. Johore's police force was also known to fly its own flag, essentially similar in design as the flag of Johore, but with a different combination of colours: A red field with a black canton containing a white five-pointed star and crescent. A ceremonial state flag was also flown, consisting of red flag with a white five-pointed star and crescent, an inner yellow