A radical new kind of airship funded by the US military is about to make its first test flight - and it looks uncannily like the Thunderbird 2 craft from the classic TV show. The Aeroscraft airship will carry three times as much as the biggest military cargo planes over thousands of miles, use a third of the fuel, and it doesn't even need a landing strip. It could also have major implications for cargo haulage, and almost everything now laboriously transported across the planet's surface by boat, train and lorry could within years be carried through the skies, its...