6"/53 caliber gun 6"/53 caliber gun The 6"/53 caliber gun (spoken "six-inch-fifty-three-caliber") formed the main battery of some United States Navy light cruisers and three US submarines built during the 1920s. United States naval gun terminology indicates the gun fired a projectile 6 inches (15 cm) in diameter, and the barrel was 53 calibers long (barrel length is 6 inch x 53 = 318 inches or 8 meters.) The gun with side swing Welin breech block and Smith-Asbury mechanism weighed about 10 tonnes and used a silk bag containing 44-pounds (20 kg) of smokeless powder to give a 105-pound (47.6 kg) projectile a
Person of the Year well beyond the scope of a given news market, to animals (Secretariat), to two or more persons in the event of a tie, and to groups of persons whose membership is not clear (Ebola fighters). Also the award is presented annually by some organizations but may be a one-off or occasional event for others. The award can be facetious or serious. The chosen person is usually someone who has been notably influential or prominent during the year and could also be a hero or villain. Unlike most awards, it is externally oriented; the award is given to someone who is