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":" The first volunteer unit of the National Guard, the battalion named in honor of Hero of Ukraine Major General Serhiy Kulchitskyi, is currently undergoing reorganization. In March 2025, the battalion was withdrawn from the frontline, marking the beginning of its reformation process.<\/p>\n\n\n\n The operational assignment battalion is being restructured into a special purpose unit, with a primary focus on assault operations while also aiming to train universally capable infantrymen. The new formation will include three assault companies, a sniper unit, and various support elements, including a dedicated drone team. Leadership positions at the company and platoon levels are currently being filled from among the unit\u2019s experienced soldiers. Additionally, a team of instructors is being assembled from the battalion's veterans to train incoming recruits. To support this transformation, a recruitment campaign has been launched to attract patriotic citizens ready to serve.<\/p>\n\n\n\n\n\n The National Guard headquarters has equipped the battalion with a sufficient number of AR-15 semi-automatic rifles, marking a transition away from Soviet-era weaponry.<\/p>\n\n\n\n Additionally, the battalion has been reassigned from the Bureviy Brigade<\/a> to the 27th Pechersk Brigade<\/a>.<\/p>\n\n\n\nThe Structure<\/h2>\n\n\n\n
A Complete Reform<\/h2>\n\n\n\n
![\"\"](\"https:\/\/militaryland.net\/wp-content\/uploads\/2025\/05\/i_ngu_kulch_2025-400x400.webp\")
New Commander<\/h2>\n\n\n\n