Russia, Ukraine and drone
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Russian drone strike killed 12 Ukrainian coal miners in what DTEK CEO Maxim Timchenko called an "unprovoked terrorist attack" on civilian workers returning from their shift.
Ukrainian President Volodymyr Zelenskyy says the air force's performance in some areas is "unsatisfactory."
A Russian drone attack on Zaporizhzhia late on Feb. 10 left over 11,000 subscribers without electricity in the city, local officials reported.
The first phase of the Pentagon's drone competition, Gauntlet, begins later this month. US drone operators will fly and test the systems.