[5] In 2021, during the build-up towards the Russian Invasion of Ukraine, the BARS were the subject of a massive recruitment campaign titled "BARS-21" which Russian Defense Minister Sergey Shoigu stated in several speeches hoped would bolster the force to 80,000 to 100,000 reservists.
[5] When the war did break out, 20 BARS units consisting of an estimated 10,000 reservists, were sent to Ukraine to take part in the initial invasion.
[4] On 24 July 2023, Vladimir Putin signed a law increasing the maximum age for all BARS members by five years.
[9] Various Registered Cossacks of the Russian Federation were identified operating in Eastern Ukraine and Crimea in 2014 during the Russo-Ukrainian War.
BARS-6 (“Forstadt”) - Orenburg BARS-15 (“Ermak”) - Yekaterinburg BARS-18 (“Vympel”) - “Great Don Army” BARS-22 (“Tiger”) - Cossacks from Primorye BARS-35 (Skif) - part of the Terek brigade.