"A" turret suffered from drinking water moving into the reduced percentage of the turret/barbette construction, but there is no sign that this triggered any difficulties in addition to pain for that crew. At salvo 18, when Prince of Wales turned absent, 3 of 'A' turret's guns had been in operation. https://johnnyjnkkg.blogminds.com/the-fact-about-kgv-formeln-that-no-one-is-suggesting-29605620