It\u2019s common for parent units to highlight subordinate units in their communications, typically to acknowledge their activities or achievements. What makes the 12th Army Corps' apparent composition particularly noteworthy is its inclusion of units from four different branches of the Ukrainian defense forces: the Ground Forces, the Territorial Defense Forces, Border Guards and the National Guard. The involvement of the National Guard and Border Guards are especially intriguing, as they fall under the Ministry of Internal Affairs, unlike the Ground Forces and Territorial Defense Forces, which operate under the Ministry of Defense.<\/p>\n\n\n\n\n\n
The 12th Army Corps appears to be built upon the foundation of the Defense Grouping of Kyiv<\/a>, which has been responsible for the defense of Ukraine\u2019s capital. The corps brings together military formations from Kyiv Oblast and neighboring regions.<\/p>\n\n\n\n As noted earlier, the structure of the 12th Army Corps is particularly noteworthy. Based on information shared through the unit's official social media channels, the corps includes the following formations:<\/p>\n\n\n\n <\/p>\n\n\n\n Although it may seem unusual to see National Guard units grouped alongside those from the Ground Forces and Territorial Defense, a recent visit by 12th Army Corps<\/a> personnel to the Hetmanate Museum suggests otherwise. Servicemen from the Presidential Brigade, various Territorial Defense units, and National Guard units were all in attendance, reflecting the corps\u2019 diverse composition.<\/p>\n\n\n\n \"Servicemen of the subordinate military units of the 12th Army Corps visited the Hetmanate Museum to gain a deeper understanding of the legacy of the Cossack era. Located in the heart of Podil, the museum preserves unique exhibits that reflect the traditions, military glory, and spiritual strength of Hetmanate Ukraine,\"<\/em> the post says<\/a>. Additionally, the 12th Army Corps organized a chess tournament to<\/a> celebrate the Day of Infantry on May 6, 2025, where soldiers from the mentioned units were also present.<\/p>\n\n\n\n According to an official social media post<\/a>, the head of the Kyiv City Military Administration and the commander of the 12th Army Corps visited soldiers of the 112th Territorial Defense Brigade along with subordinated Border Guard units. The post implies that certain Border Guard units may fall under the 12th Army Corps\u2014either directly or through integration with Territorial Defense units within the Corps.<\/p>\n\n\n\n We reached out to the 12th Army Corps for an official comment on this matter and received a response stating that the information is currently classified and, as such, no further details can be provided at this time.<\/p>\n\n\n\n On May 8, 2025, the commander of the 12th Army Corps was identified as Colonel Pavlo Protsiuk, following the publication of a gift certificate obtained by MilitaryLand<\/a>.<\/p>\n","post_excerpt":"","post_author":"1","post_date":"2025-05-12 20:10:55","post_date_gmt":"2025-05-12 18:10:55","post_status":"publish","comment_status":"open","ping_status":"closed","post_password":"","post_name":"units-subordinated-to-12th-army-corps","to_ping":"","pinged":"","post_modified":"2025-08-09 22:43:41","post_modified_gmt":"2025-08-09 20:43:41","post_content_filtered":"","post_parent":0,"guid":"https:\/\/militaryland.net\/?p=47433","menu_order":0,"post_type":"post","post_mime_type":"","comment_count":"10","comments":[{"comment_ID":"15364","comment_post_ID":"47433","comment_author":"Fury","comment_author_email":"lyubomir.riback@gmail.com","comment_author_url":"","comment_author_IP":"93.170.117.28","comment_date":"2025-05-13 17:43:18","comment_date_gmt":"2025-05-13 15:43:18","comment_content":"Most likely, such corps will have their own support units. Accordingly, on the Ukrainian-Belarusian border, as well as in Chernihiv, Sumy (partially), Mykolaiv and Odessa regions, will be created according to the sample of 12 corps. P.S. We will see how it will be implemented by the end of the year.","comment_karma":"0","comment_approved":"1","comment_agent":"Mozilla\/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit\/537.36 (KHTML, like Gecko) Chrome\/136.0.0.0 Safari\/537.36","comment_type":"comment","comment_parent":"15360","user_id":"0","pod_item_id":"15364"},{"comment_ID":"15363","comment_post_ID":"47433","comment_author":"Fury","comment_author_email":"lyubomir.riback@gmail.com","comment_author_url":"","comment_author_IP":"93.170.117.28","comment_date":"2025-05-13 17:42:59","comment_date_gmt":"2025-05-13 15:42:59","comment_content":"From the units mentioned on Facebook, we can conclude that such corps will not have their own brigades (or they will be on a rotational basis, as they will definitely participate in battles in other directions), but will have replaceable subordinate units and will be able to receive reinforcements from mechanized brigades in the event of an escalation.","comment_karma":"0","comment_approved":"1","comment_agent":"Mozilla\/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit\/537.36 (KHTML, like Gecko) Chrome\/136.0.0.0 Safari\/537.36","comment_type":"comment","comment_parent":"15360","user_id":"0","pod_item_id":"15363"},{"comment_ID":"15362","comment_post_ID":"47433","comment_author":"Fury","comment_author_email":"lyubomir.riback@gmail.com","comment_author_url":"","comment_author_IP":"93.170.117.28","comment_date":"2025-05-13 17:41:15","comment_date_gmt":"2025-05-13 15:41:15","comment_content":" The active section, as was said, will be covered by corps with 5 brigades in each, as well as offensive corps. Corps such as 12 will be responsible for inactive sections, which will actually coordinate all defense forces in the region, and not just near the border. ","comment_karma":"0","comment_approved":"1","comment_agent":"Mozilla\/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit\/537.36 (KHTML, like Gecko) Chrome\/136.0.0.0 Safari\/537.36","comment_type":"comment","comment_parent":"15360","user_id":"0","pod_item_id":"15362"},{"comment_ID":"15361","comment_post_ID":"47433","comment_author":"Fury","comment_author_email":"lyubomir.riback@gmail.com","comment_author_url":"","comment_author_IP":"93.170.117.28","comment_date":"2025-05-13 17:40:29","comment_date_gmt":"2025-05-13 15:40:29","comment_content":" It was also said that the corps will have clear defense sectors that can increase and decrease, but no one will be able to transfer a corps from one direction to another, except for those that are created for an offensive and for extinguishing fires. The full front line now has 3200 km, active 1300 km.","comment_karma":"0","comment_approved":"1","comment_agent":"Mozilla\/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit\/537.36 (KHTML, like Gecko) Chrome\/136.0.0.0 Safari\/537.36","comment_type":"comment","comment_parent":"15360","user_id":"0","pod_item_id":"15361"},{"comment_ID":"15360","comment_post_ID":"47433","comment_author":"Fury","comment_author_email":"lyubomir.riback@gmail.com","comment_author_url":"","comment_author_IP":"93.170.117.28","comment_date":"2025-05-13 17:39:47","comment_date_gmt":"2025-05-13 15:39:47","comment_content":" Ukrainian Ministry of Internal Affairs quietly forms new units within National Guard structure.<\/p>\n\n\n\n\n\n\n\n Armed Forces of Ukraine are not the only military formation in Ukraine who, due to Russian full-scale invasion in 2022, have started to form additional units or expand the already existing ones. For example, on February 5 this year, Ministry of Internal Affairs announced<\/a> creation of new National Guard assault brigades under the Offensive Guard<\/a> program.<\/p>\n\n\n\n However, Ukrainian National Guard is much bigger than just these Offensive Guard brigades. There are dozens of brigades, regiments and separate battalions who perform duties to protect Ukrainian state and its land. Through the months after the Russian full-scale invasion, several National Guard units were expanded and new formed. In total, the command of Ukrainian National Guard decided to expand four units to regiment or brigade size, and form six new additional units.<\/p>\n\n\n\n unit's military number is in brackets<\/em><\/p>\n\n\n\n\n 27th Regiment was formed on the basis of 22nd Separate Battalion. The unit is based in Chernihiv.<\/p>\n<\/div><\/div>\n\n\n\n\n\n 31st Regiment was formed on the basis of 25th Separate Battalion. The unit is based in Cherkasy. Col. Oleksiy Turun was appointed as the commander.<\/p>\n<\/div><\/div>\n\n\n\n\n\nThe Structure<\/h2>\n\n\n\n
Northern Administration<\/h2>\n\n\n\n
![\"\"](\"https:\/\/militaryland.net\/wp-content\/uploads\/2022\/05\/i_ngu_22_battalion.png\")
<\/a><\/figure>\n<\/div><\/div>\n\n\n\n27th Regiment (3082)<\/h3>\n\n\n\n
![\"\"](\"https:\/\/militaryland.net\/wp-content\/uploads\/2023\/09\/i_ngu_3061-1024x1024.webp\")
<\/a><\/figure>\n<\/div><\/div>\n\n\n\n31st Regiment (3061)<\/h3>\n\n\n\n
![\"\"](\"https:\/\/militaryland.net\/wp-content\/uploads\/2017\/12\/i_no_thumb.png\")
<\/a><\/figure>\n<\/div><\/div>\n\n\n\n