This is the order of battle for the Luhansk Oblast campaign of the eastern front of the Russian invasion of Ukraine
Mashovets stated that elements of the Russian 1st Guards Tank Army, 6th Combined Arms Army, 11th Army Corps, and several battalions of the 20th CAA are conducting offensive operations to eliminate the Ukrainian bridgehead on the east (left) bank of the Oskil River southeast of Kupyansk
Russian 1st Guards Tank Army, including its 2nd Motorized Rifle Division and elements of its 4th Tank Division, are operating in the Pishchane-Kolisnykivka-Kruhlaykivka area. Elements of the Russian 16th Spetsnaz Brigade are reportedly operating near Zarichne and Novolyubivka
Mashovets reported that elements of the Russian 1st Motorized Tank Regiment, 1st Motorized Rifle Regiment, and separate detachments of the 15th Motorized Riffle Regiment are reportedly operating in the direction of Krukhlyakivka-Zahryzove. Mashovets stated that the Russian military command had likely deployed additional detachments of the 237th Tank Regiment and 252nd Motorized Rifle Regiment and units of the 25th Separate Motorized Rifle Brigade and the 27th Motorized Brigade to conduct assaults in the Borova direction
Mashovets stated that elements of the Russian 12th Tank Regiment and 272nd Motorized Rifle Regiment are unsuccessfully attacking east of Kupyansk near Kotlyarivka
Russian drone operators from the Russian 27th Motorized Rifle Brigade are reportedly operating near Kupyansk
Mashovets stated that elements of the Russian 2nd Motorized Rifle Division and the 47th Tank Division are advancing on the east (left) bank of the Oskil River, most likely referring to the section of the bank of the Oskil River near Kolisnykiva
Kupyansk=Elements of the Russian 27th Motorized Rifle Brigade are reportedly operating near Kupyansk; elements of the 15th Motorized Rifle Regiment are reportedly operating near Zahryzove; and elements of the 272nd Motorized Rifle Regiment, including a TOS thermobaric artillery system, are reportedly operating near Stepova Novoselivka.
Norttheast donetsk = Geolocated footage published on January 2 indicates that elements of the Russian 7th Motorized Rifle Brigaderecently advanced in central Bilohorivka
Elements of the Russian 27th Motorized Rifle Brigade are reportedly operating near Kupyansk and Lozova; elements of the 3rd Motorized Rifle Division are reportedly operating near Lozova; elements of the 423rd Motorized Rifle Regiment and the 12th Tank Regiment are reportedly operating near Zeleny Hai; and elements of the 375th Separate Anti-Tank Artillery Battalion are operating in the Kupyansk direction
Mashovets stated that elements of the Russian 3rd Motorized Rifle Division and 25th Motorized Rifle Brigade are attacking south of Kupyansk from Lozova towards Borivska Andriivka, Nova Kruhlyakivka, Zelenyi Hai, and the Pershotravneve-Kopanky area. Mashovets stated that elements of the Russian 69th Motorized Rifle Division and 9th Artillery Brigade are concentrating forces near the Masyutivka-Zapane bridgehead
Mashovets stated that elements of the Russian 25th Motorized Rifle Brigade, the 7th Motorized Rifle Regiment, and the 344th and 350th motorized rifle regiments are operating in the Synkivka-Petropavlivka direction northeast of Kupyansk
Drone operators of the Russian 16th Spetsnaz Brigade reportedly continue operating near Kupyansk
Borova = 752nd Motorized Rifle Regiment are reportedly operating near Nadiya.
Northeast Donetsk = Ukrainian military observer Kostyantyn Mashovets stated that elements of the Russian 488th and 283rd motorized rifle regiments are operating near Ivanivka
Drone operators of the Russian 16th Spetsnaz Brigade are reportedly operating southwest of Nadiya
the Russian 144th Motorized Rifle Division near Terny; and drone operators of the Russian 16th Spetsnaz Brigade near Zarichne
Elements of the Russian 144th Motorized Rifle Division, including its 283rd, 488th, and 1428th motorized rifle regiments, reportedly participated in the recent seizure of Nove
Elements of the Russian 31st Motorized Rifle Regiment reportedly continue operating in the Lyman direction
Elements of the Russian 2nd Artillery Brigade are reportedly operating near Verkhnokamyanske