[3] In March 2014, he formed a group of Phoenix Wings volunteers to support the Ukrainian army after the 2014 Russian annexation of Crimea and continued to work with the start of the War in Donbass (in eastern Ukraine).

[6] On October 5, Biryukov was appointed Minister of Defense Valeriy Heletey Assistant for material support of the Armed Forces of Ukraine.

[19] However, in July the director of the DBR[clarification needed], Roman Truba, stated that there were no complaints about the quality of the material support.

[20] After the Russian intervention in the Crimea and the beginning of the War in Donbass, Yurii Biriukov began to help the Ukrainian army.

The group of Phoenix Wings volunteers he created purchased walkie-talkies, sleeping bags, bulletproof vests, and protective helmets.

[3] Also the Antonov An-26 plane was repaired with the means collected by group and the staff for engineering and technical personnel of crew near Mykolaiv was constructed.

Thanks to the help of Yurii Biriukov, on July 21, 2014, it was possible to remove 80 seriously wounded soldiers of the 79th separate airmobile brigade from the environment of terrorists in the Luhansk region.

In August 2016, Yurii Biriukov on his Facebook page spoke about the unreliability of 811 KRAZ cars of the General Ministry of Defense in the period from 2014 to 2015, which have already gained thousands of kilometers during the war, paying with the new Belarusian MAZ-Bogdan, which creates business partner of Petro Poroshenko, currently Oleh Gladkovsky is the First Deputy Secretary of the National Security and Defense Council of Ukraine.

[25] In addition, Yurii Biriukov falsely informed the public about the alleged constant delay in the delivery of KrAZ cars to the Ukrainian army.

[31] According to Tetiana Chornovol, a member of the Verkhovna Rada Committee on National Security and Defense, only «Talanlegprom» won the tender during the purchase of boots (ankle boots) for the army, the sole design of which met exactly the stated technical conditions, and the price of each pair was 300 UAH above market.