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
Time Person of the Year Time Person of the Year Person of the Year (called Man of the Year or Woman of the Year until 1999) is an annual issue of the United States news magazine "Time" that features and profiles a person, a group, an idea, or an object that "for better or for worse... has done the most to influence the events of the year". The tradition of selecting a "Man of the Year" began in 1927, with "Time" editors contemplating the news makers of the years. The idea was also an attempt to remedy the editorial embarrassment earlier that year of not