メイン級戦艦
1. Maine class battleshipThe three Maine class battleships: Maine, Missouri, and Ohio were launched in the first several years of the 20th century. These were the first US capital ships to use smokeless powder for their main batteries, and the last to use Harvey armor. Smokeless powder allowed a decrease in gun size, with an increase in power and efficiency. Harvey armor, though only in use for a decade, was already obsolete.
Read “Maine class battleship” on English Wikipedia
Read “メイン級戦艦” on Japanese Wikipedia
Read “Maine class battleship” on DBpedia
Read “Maine class battleship” on English Wikipedia
Read “メイン級戦艦” on Japanese Wikipedia
Read “Maine class battleship” on DBpedia
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