Gold Medal Ales are produced monthly in recognition of some of the 'greats' of history.
This month's story :-

In April 1969 the Harrier Jumpjet entered service with the Royal Airforce. This was the worlds first V/STOL aircraft and variants of this remarkable warbird have served for more than forty yearswith a final out of service date of 2018.

It was created by Hawkers' chief designer Sydney Camm, an engineer who during his career designed such notables as the Hurricane, Typhoon and Hunter to name just a few.