The Kalmius is a river flowing through Donetsk Oblast, Ukraine. Its source is near the Ukrainian city of Yasynuvata, and its mouth is in Mariupol. The Kalmius is one of two rivers flowing through Mariupol. The other is the Kalchyk, which flows into the Kalmius. The Kalmius flows into the Sea of Azov near the Azovstal Iron and Steel Works in Mariupol. Major cities along the Kalmius are Yasynuvata, Donetsk, Kalmiuske, and Mariupol.
The 79th Separate Tavrian Air Assault Brigade of Mykolaiv is a formation of the Ukrainian Air Assault Forces. The paratrooper brigade is based in Mykolaiv.
The 17th Heavy Mechanized Brigade is a brigade of the Ukrainian Ground Forces formed in 1940. The full name of the brigade is the 17th Separate Kryvorizka Heavy Mechanized Brigade, named after Kostiantyn Pestushko.
The 93rd Separate Mechanized Brigade "Kholodnyi Yar" is a formation of the Ukrainian Ground Forces formed in 1992. It has been described as "one of the most brutally effective" of Ukraine’s front-line brigades.
The 80th Separate Galician Air Assault Brigade is an airmobile formation of the Ukrainian Air Assault Forces. The brigade traces its history back to the 80th Airborne Regiment of the Soviet Union, formed in 1955 as part of the Soviet airborne's 7th Guards Airborne Division. Four years later, the regiment transferred to the 104th Guards Airborne Division. It participated in Operation Whirlwind in 1956 and Operation Danube in 1968. In 1979, the regiment was disbanded and used to form the 39th and 40th Separate Air Assault Brigades of the Soviet Army. The 39th Separate Air Assault Brigade became the 224th Training Center after transfer back to the Soviet airborne in 1990. The training center was taken over by Ukraine in 1992 with the dissolution of the Soviet Union and became the 6th Separate Airmobile Brigade in 1995. In 1999, the brigade was reorganized into the 80th Airmobile Regiment, part of the 13th Army Corps. In 2013, the regiment was upgraded and became a brigade. The brigade fought in the War in Donbass, and was redesignated as an air assault brigade in 2015.
The 98th Guards Airborne Division is an airborne division of the Russian Airborne Troops, currently based in Ivanovo.
The 51st Guards Artillery Brigade is an artillery brigade of the Belarusian Ground Forces, based at Osipovichi.
Russian separatist forces in Ukraine, primarily the People's Militias of the Donetsk People's Republic (DPR) and the Luhansk People's Republic (LPR), were pro-Russian paramilitaries in the Donbas region of eastern Ukraine. They were under the overall control of the Russian Federation. They were also referred to as Russian proxy forces. They were active during the war in Donbas (2014–2022), the first stage of the Russo-Ukrainian War. They then supported the Russian Armed Forces against the Ukrainian Armed Forces during the 2022 Russian invasion. In September 2022, Russia annexed the DPR and LPR, and began integrating the paramilitaries into its armed forces. They are designated as terrorist groups by the government of Ukraine.
The Separate Guards Motor Rifle Assault Battalion "Somalia" named after M. S. Tolstykh, often known as Somalia Battalion, is a military unit of Russian Ground Forces. Until January 1, 2023 it was part of the self-proclaimed Donetsk People's Republic (DPR). It is attached to the 51st Guards Combined Arms Army. It was commanded by Timur Kurilkin until he was appointed commander of the 9th Motor Rifle Brigade.
The 81st Separate Slobozhanska Airmobile Brigade is a brigade of the Ukrainian Air Assault Forces. The brigade fought in the war in Donbas and in the 2022 Russian invasion of Ukraine.
The 44th Separate Artillery Brigade "Hetman Danylo Apostol" is an artillery brigade of the operational command West of the Armed Forces of Ukraine, based in Ternopil.
The Presidential Brigade "Hetman Bohdan Khmelnytskyi" is a special military unit of Ukraine and its Armed Forces which is mandated to defend the president of Ukraine in his duty as Supreme Commander-in-chief of the Armed Forces, the First Family, and the presidential residences and facilities assigned to the presidential office.
Fights on the Ukrainian–Russian border in 2014, also famous as "Operation to restore the state border", "Battle at the border", Battle in sector D , – an episode of the war in eastern Ukraine, the battle of anti-terrorist operation forces against illegal armed groups supported by Russian artillery in the border areas of Donetsk and Luhansk regions during summer campaign in Donbass. Fighting broke out in Sector D of the anti-terrorist operation during the "operation to restore the state border" during June–August 2014. The main task of the Anti-Terrorist Operation Forces was to restore control over the section of the state border Izvaryne – Kumachovo and to cut the routes for illegal armed groups.
The 110th Separate Guards Motor Rifle Brigade, is a unit of the Russian Ground Forces.
The 51st Guards Combined Arms Donetsk Army is a military formation of the Russian Ground Forces as part of the Southern Military District, formerly the 1st Army Corps of the Donetsk People's Republic. It was officially incorporated into the Russian Federation on 31 December 2022, after Russia annexed the occupied territory of Donetsk, and then reformed into a Combined Arms Army in 2024.
The 3rd Guards Lugansk-Severodonetsk Combined Arms Army is a military formation in the Russian Ground Forces as part of the Southern Military District. Formerly the 2nd Army Corps of the Luhansk People's Republic, it was officially incorporated into the Russian Federation on 31 December 2022, after the Russian annexation of the Luhansk Oblast, and then reformed into a Combined Arms Army in 2024.
The 114th Separate Guards Motor Rifle Brigade or Vostok Brigade is a military unit of Russian Ground Forces. Until January 1, 2023, it was part of the self-proclaimed Donetsk People's Republic (DPR). It is attached to the 51st Donetsk Combined Arms Army. The brigade was created by Alexander Khodakovsky. According to an interview with The Washington Post, DPR president Denis Pushilin, the battalion was formed by local separatists and has nothing to do with the Chechen unit of the same name.
The 7th Separate Guards Motor Rifle "Chistyakov" Brigade is a military unit of Russian Ground Forces. Until January 1, 2023, it was part of the Luhansk People's Militia. It is attached to the 3rd Guards Combined Arms Army.
The 123rd Separate Guards Motor Rifle Brigade named after the Hero of the Soviet Union Kliment Voroshilov is a military unit of Russian Ground Forces. Until January 1, 2023, it was part of the Luhansk People's Militia. It is attached to the 3rd Guards Combined Arms Army.
The 132nd Separate Guards Motor Rifle Gorlovka Brigade"Berkut" is a military unit of Russian Ground Forces. Until January 1, 2023, it was part of the self-proclaimed Donetsk People's Republic (DPR). It is attached to the 51st Guards Combined Arms Army.
Donetsk People's Republic (2014–2022)
Russia (2022–present)
Russian Ground Forces (2022–present)
51st Combined Arms Army 
Guards 
