The 2nd Battalion of Special Assignment "Donbas" (Ukrainian: 2-й батальйон спеціального призначення НГУ «Донбас», romanized: 2-y batalʹyon spetsialʹnoho pryznachennya NHU "Donbas") is a unit of the National Guard of Ukraine subordinated to the Ministry of Internal Affairs of Ukraine and based in Severodonetsk. Originally created in 2014 as a volunteer unit called the Donbas Battalion (Ukrainian: Батальйон Донбас, romanized: Batalʹyon Donbas) by Semen Semenchenko following the Russian occupation of Crimea and possible invasion of continental Ukraine. The formation of the unit started in the spring of 2014 during the 2014 pro-Russian unrest in Ukraine.[2][3][4] The unit was initially formed as an independent force, but has been since fully integrated into the National Guard as the 2nd Special Purpose Battalion "Donbas" within the 15th Regiment of the National Guard.[5]