[ad_1] Zeppelins are hard-sided airships with individual gas compartments, named after Ferdinand von Zeppelin who founded the first airship company in 1908. The Zeppelin Company built 21 airships from 1900 to 1914, but many were lost to accidents. During World War I, zeppelins were used for bomb-dropping and surveillance, but fixed-wing aircraft made them impractical. […]