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Just learned that in WWI we used wireless technology to communicate from air to ground—two-way telegraph. This footage demonstrates a 12-inch Mk I railway howitzer of 89th Siege Battery RGA at Dickebusch, BE in June 1916 being directed from the air with the help of morse code.👀
32,003 次观看 • 3 个月前 •via X (Twitter)
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