In WWII Anti- Aircraft gun barrages were set up all around the coast of Shetland and like many of the Coastal Gun Battery sites of WW1, many of their foundations have survived today.

     

Above:  The AA Gun at Lerwick in WWII.  Photos: Shetland Museum.

Above:  The emplacement structure at The Knab, Lerwick in 2007. Photo: Dave Ramsey.