the Union Jack

British flag, commonly known as "Union Jack", the official title is "the Union Flag", also often referred to as "the Union Jack". Jack is a Navy term referring to the banner hanging in the bow, the capital of the British naval ships fly the national flag, hence the name. Union Flag is the word for "joint banner." It is a dark blue background of red and white Union Jack. This flag is the red cross of England's white flag, white blue of Scotland and Ireland diagonal white cross flag red diagonal cross from the flag one. Later, as part of the island of Ireland from the United Kingdom, the national flag has not be changed. Wales is not represented on the flag's image, because the design, Wales and England had merged. British flag on St George's cross, representing the patron saint of England, Scotland and Ireland's patron saint St Andrew the patron saint Patrick.