The world's largest aircraft is also the newest.
Airlander 10 is 302 feet long — large enough to hold about 14 of the first plane the Wright Brothers flew — and full of helium.
The airship, built by British company Hybrid Air Vehicles (HAV) and originally funded by the U.S. government, is nearing its first takeoff after the UK provided financing to complete the project. The first test flights are set for later this year.
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