Ukraine has, for the first time, sent into combat a hybrid drone powered by hydrogen fuel. According to the builder Skyeton, a variant of its Raybird was deployed for full-scale combat duty with the Ukrainian Armed Forces in an active war zone.
Archived version: https://archive.is/newest/https://newatlas.com/military/world-first-ukraine-hydrogen-drone/
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Environmental friendliness is way down the list of priorities in war, from the perspective of the army.
Right, that’s what I mean by the article not mentioning any actual advantages, which makes me think they’re not actually winning the tradeoff game.