At the top of Hood's conning tower/citadel, was located her 'air defence platform'. This was equipped with a variety of binoculars, that were used to obtain 'target angles' to enemy aircraft. One of Hood's anti-aircraft guns, is located at the foot of her conning tower: a quadruple 0.5 inch.
More than 70 years after it sank during World War II, the legendary Japanese battleship Musashi has been discovered off the coast of the Philippines.
https://www.yahoo.com/news/sunken-japanese-wwii-battleship-located-philippines-210741638.html