The flag of Singapore was adopted in 1959, the year Singapore became self-governing within the British Empire. Designed by a government committee led by deputy prime minister Toh Chin Chye, it remained as the national flag upon the country's independence from Malaysia on 9 August 1965. The design is a horizontal bicolour of red above white, overlaid in the canton (upper hoist quarter) by a white crescent moon facing a pentagon of five small white five-pointed stars. The elements of the flag denote a young nation on the ascendant, universal brotherhood and equality, and national ideals.

Vessels at sea do not use the national flag as an ensign. Merchant vessels and pleasure craft fly a civil ensign of red charged in white with a variant of the crescent and stars emblem in the centre. Non-military government vessels such as coast guard ships fly a state ensign of blue with the national flag in the canton, charged with an eight-pointed red and white compass rose in the lower fly. Naval ships patrol a naval ensign similar to the state ensign, but in white with a red compass rose emblem. Wikipedia