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 of the United Arab Emirates show a large red rectangle on a white background. The flag of Umm Al Quwain consists of a red background, a white bar at the hoist similar the flags of Ajman and Dubai, and a large white star and crescent in the center as a symbol of Islam and representing allegiance to the Islamic world. Flag of the United Arab Emirates The flag of the United Arab Emirates () contains the Pan-Arab colors red, green, white, and black. It was adopted on December 2, 1971. Merchant ships may fly the alternative civil ensign, a red flag with the national flag