Pedant alert ......Union Flag \ Jack

The OED defines the Union Jack as "Originally and properly, a small British Union Flag flown as the jack of a ship"

However, an Admiralty Circular of 1902 noted that the two names were interchangeable, and Parliament confirmed the terminology in 1908 by declaring 'the Union Jack should be regarded as the national flag.

With acknowledgment to "The Union Jack, the story of the British Flag" by Nick Groom

And if you just look closely...

at the unfashionable end of the Western Spiral Arm, you can just see where they are building the Hyperspace bypass. They need to get rid of that insignificant little blue-green planet though.