The President's ride is called Air Force One. What, then, is "Aircraft One?"
Google suggests it's meaningless and offers no exact results for the term from 2010 to 2018.
People are coming from far and wide to join us today and tonight for what is turning out to be one of the biggest celebrations in the history of our Country, SALUTE TO AMERICA, an all day event at the Lincoln Memorial, culminating with large scale flyovers of the most modern.....
...and advanced aircraft anywhere in the World. Perhaps even Aircraft One will do a low & loud sprint over the crowd. That will start at 6:00P.M., but be there early. Then, at 9:00 P.M., a great (to put it mildly) fireworks display. I will speak on behalf of our great Country!
Fast come the quips:
Elements of Resistance Twitter claim that it's an unofficial term for the Russian President's jet, but I can find no evidence of that in English news reports, at wikipedia or in machine-translated items from Russian news and the Kremlin. A TV Journalist with ABC and FOX affliates in Columbus suggests that it's a term used when the President is on board:
$92m for a draft-dodger's military parade! Tanks in the capital and concentration camps on the borders. God bless America.