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The first flying car, 'Model A,' approved by the FAA and it's 100% electric
(www.usatoday.com)
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Just in case you're not aware, armored trains are (or were) a thing. In the US they were used from the US civil war to early in the cold war (at the end there to transport nuclear weapons).
In the rest of the world... the most recent use is by Russia in their invasion of Ukraine.