Commercial air travel began just over a century ago. In that time there have been groundbreaking civilian aircraft, such as flying boats, the first pressurized cabin aircraft, jet …
Naval warfare - and the weapons used to conduct it - has changed greatly since World War I. Sea battles are no longer dominated by large battleships, but by even larger aircraft …
For more than 400 years, the big-gun warship stood as the supreme naval war machine. It was not only a major instrument of warfare, but a visible emblem of a nation's power, wealth …
