4in Gun on HMS Dragon
This picture of one of the 4in AA guns on the Danae class cruiser HMS Dragon was taken on 1 September 1933 at Portland, Oregon. These guns were entirely unshielded, but do appear to have had a platform for the crew that would have rotated with the gun.
How to cite this article:
Rickard, J (17 May 2019), 4in Gun on HMS Dragon, http://www.historyofwar.org/Pictures/pictures_hms_dragon_4in_AA_gun.html