Week 222 (May 21 – 27, 2026)
Nicholas Zharkikh
Cotton in Kstovo (yesterday) and in Syzran (today)
Russia’s losses in the war as of May 21, 2026:
personnel – about 1,352,980 (+910) people
tanks – 11,943 (+0) units.
armored combat vehicles – 24,591 (+5) units.
artillery systems – 42,454 (+54) units.
MLRS – 1,797 (+2) units.
Air defense assets – 1,389 (+1) units.
aircraft – 436 (+0) units.
helicopters – 353 (+0) units.
ground robotic complexes – 1,436 (+4) units.
Operational-tactical level UAVs – 302,787 (+1,715) units.
cruise missiles – 4,632 (+0) units.
ships/boats – 33 (+0) units.
submarines – 2 (+0) units.
automotive equipment and tank trucks – 98,070 (+202) units.
special equipment – 4,207 (+1) units. glavcom.ua
Operational information as of 8:00 AM on 05/21/2026 regarding the Russian invasion – General Staff of the Armed Forces of Ukraine. zsu.gov.ua
The Lukoil-Nizhegorodorgsintez refinery and other enemy facilities were hit. Results of the hit on the Yaroslavl-3 refinery – General Staff of the Armed Forces of Ukraine. zsu.gov.ua
Drones attacked the Syzran Oil Refinery in the Russian Federation: thick smoke rises above the enterprise. zn.ua
"Negative advance" of Russian invaders in Ukraine
Russia’s losses in the war as of May 22, 2026:
personnel – about 1,353,860 (+880) people
tanks – 11,944 (+1) units.
armored combat vehicles – 24,594 (+3) units.
artillery systems – 42,511 (+57) units.
MLRS – 1,798 (+1) units.
Air defense equipment – 1,390 (+1) units.
aircraft – 436 (+0) units.
helicopters – 353 (+0) units.
ground robotic complexes – 1,440 (+4) units.
Operational-tactical level UAVs – 304,659 (+1,872) units.
cruise missiles – 4,632 (+0) units.
ships/boats – 33 (+0) units.
submarines – 2 (+0) units.
automotive equipment and tank trucks – 98,205 (+135) units.
special equipment – 4,207 (+0) units. glavcom.ua
Operational information as of 8:00 AM on 05/22/2026 regarding the Russian invasion – General Staff of the Armed Forces of Ukraine. zsu.gov.ua
Ukraine returned 400 sq km after Starlink was disabled by Russian troops. gazeta.ua
Russia has effectively absorbed Belarus to use it as a springboard for its own purposes – ISW. informator.ua
Cotton in Moscow and Novorossiysk
Russia’s losses in the war as of May 23, 2026:
personnel – about 1,354,810 (+950) people;
tanks – 11,949 (+5) units;
armored combat vehicles – 24,599 (+5) units;
artillery systems – 42,579 (+68) units;
RSZV – 1,799 (+1) units;
air defense systems – 1,394 (+4) units;
aircraft – 436 (+0) units;
helicopters – 353 (+0) units;
ground robotic complexes – 1,444 (+4) units;
Operational-tactical level UAVs – 306,478 (+1,819) units;
cruise missiles – 4,632 (+0) units;
ships / boats – 33 (+0) units;
submarines – 2 (+0) units;
automotive equipment and tank trucks – 98,406 (+201) units;
special equipment – 4,212 (+5) units. glavcom.ua
Operational information as of 8:00 AM on 05/23/2026 regarding the Russian invasion – General Staff of the Armed Forces of Ukraine. zsu.gov.ua
After a drone strike in Novorossiysk, Russia, an oil terminal is on fire, local authorities and the public say. ukranews.com
"Never sleeps": Moscow was again massively attacked by drones at night. 24tv.ua
Cotton in the occupied territories
Russia’s losses in the war as of May 24, 2026:
personnel – about 1,355,920 (+1,110) people;
tanks – 11,950 (+1) units;
armored combat vehicles – 24,603 (+4) units;
artillery systems – 42,640 (+61) units;
RSZV – 1,800 (+1) units;
air defense systems – 1,396 (+2) units;
aircraft – 436 (+0) units;
helicopters – 353 (+0) units;
ground robotic complexes – 1,451 (+7) units;
Operational-tactical level UAVs – 308,321 (+1,843) units;
cruise missiles – 4,632 (+0) units;
ships / boats – 33 (+0) units;
submarines – 2 (+0) units;
automotive equipment and tank trucks – 98,698 (+292) units;
special equipment – 4,216 (+4) units. glavcom.ua
Explosions were heard in Luhansk and Melitopol, an oil depot is on fire (video). rbc.ua
The Sheskharis oil terminal, the Grushova oil depot, and a tanker of the Russian shadow fleet were hit. zsu.gov.ua
Cotton in Vladimir region (2)
Russia’s losses in the war as of May 25, 2026:
personnel – about 1,356,940 (+1,020) people.
tanks – 11,953 (+3) units.
armored combat vehicles – 24,608 (+5) units.
artillery systems – 42,687 (+47) units.
MLRS – 1,802 (+2) units.
Air defense equipment – 1,396 (+0) units.
aircraft – 436 (+0) units.
helicopters – 353 (+0) units.
ground robotic complexes – 1,465 (+14) units.
Operational-tactical level UAVs – 310,245 (+1,924) units.
cruise missiles – 4,687 (+55) units.
ships/boats – 33 (+0) units.
submarines – 2 (+0) units.
automotive equipment and tank trucks – 99,000 (+302) units.
special equipment – 4,218 (+2) units. glavcom.ua
Operational information as of 08:00 05/25/2026 regarding the Russian invasion – General Staff of the Armed Forces of Ukraine. zsu.gov.ua
How valuable was the patrol ship "Pytlyvyy" to Russia, which was attacked by the Armed Forces of Ukraine? 24tv.ua
SBU drones flew to the Vladimir region and left Moscow airports without fuel. uainfo.org
Cotton in several regions of Russia (4)
As of May 26, 2026, the Russian Federation in the war with Ukraine lost:
personnel – about 1,357,950 (+1,010) people.
tanks – 11,954 (+1) units.
armored combat vehicles – 24,615 (+7) units.
artillery systems – 42,751 (+64) units.
MLRS – 1,804 (+2) units.
Air defense assets – 1,397 (+1) units.
aircraft – 436 (+0) units.
helicopters – 353 (+0) units.
ground robotic complexes – 1,475 (+10) units.
Operational-tactical level UAVs – 312,035 (+1,790) units.
cruise missiles – 4,687 (+0) units.
ships/boats – 33 (+0) units.
submarines – 2 (+0) units.
automotive equipment and tank trucks – 99,374 (+374) units.
special equipment – 4,221 (+3) units. glavcom.ua
Operational information as of 8:00 AM on 05/26/2026 regarding the Russian invasion – General Staff of the Armed Forces of Ukraine. zsu.gov.ua
The Tamanneftegaz oil terminal, supply depots, and enemy ships were hit. zsu.gov.ua
Explosions and smoke rose in Yaroslavl and Belgorod. Photos and video. war.obozrevatel.com
Cotton in Sevastopol and Tuapse
As of May 27, 2026, the Russian Federation in the war with Ukraine lost:
personnel – about 1,358,950 (+1,000) people.
tanks – 11,955 (+1) units.
armored combat vehicles – 24,618 (+3) units.
artillery systems – 42,790 (+39) units.
MLRS – 1,805 (+1) units.
Air defense assets – 1,397 (+0) units.
aircraft – 436 (+0) units.
helicopters – 353 (+0) units.
ground robotic complexes – 1,485 (+10) units.
Operational-tactical level UAVs – 313,342 (+1,307) units.
cruise missiles – 4,687 (+0) units.
ships/boats – 33 (+0) units.
submarines – 2 (+0) units.
automotive equipment and tank trucks – 99,645 (+271) units.
special equipment – 4,224 (+3) units. glavcom.ua
Operational information as of 08:00 05/27/2026 regarding the Russian invasion – General Staff of the Armed Forces of Ukraine. zsu.gov.ua
Explosions in Sevastopol: reports of an attack on the headquarters of the Russian Black Sea Fleet Air Force. facts.com.ua
Drones again attacked facilities in Tuapse, Russia, and an oil depot caught fire. slovoidilo.ua