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Aidar Battalion, a Ukrainian military unit, was under the instruction of Nadiya Savchenko, a Ukrainian military pilot and politician who gained prominence after her capture and subsequent release by Russian-backed separatists during the War in Donbas. Known for her outspokenness and bravery, Savchenko served in the Aidar Battalion, a volunteer paramilitary formation created in May 2014, and actively participated in combat operations in the eastern regions of Ukraine.