- Service ensign · official · carried by Ground Forces
- State affiliation · Ukraine
- Vigil category device · not official insignia
Identity provenance
Service ensign: Ensign of the Ukrainian Ground Forces — carried by Ground Forces, not issued to this record. The service ensign of the Ground Forces. The design itself is excluded from copyright by Article 8 of Ukraine’s Law on Copyright and Related Rights, which names symbols and signs of government authorities, the Armed Forces of Ukraine and other military formations. The file shipped is the Wikimedia Commons SVG "Ensign of the Ukrainian Ground Forces.svg", released under PD-UAexMilitary / PD-UA-exempt on that basis, so no attribution or share-alike obligation attaches. Optimised for web display; geometry unaltered.
State affiliation: Ukraine.
The smaller square mark is a Vigil category device, drawn from this record’s own domain, echelon and role — not an official insignia.
In brief
Army corps stood up in Ukraine's 2025 corps reform around the 3rd Separate Assault Brigade as its core formation.
- Scope
- Structure, role, lineage and links. 5 subordinate records published.
- Subordination
- Subordination confirmed
- Sources
- 5 on the record
- Record state
- Partial
- Broad area of activity
- Eastern front corps sector; exact boundaries are not publicly asserted here.
- Notable history
- Stood up in 2025 in Ukraine's shift from brigade-centric command to army corps, built around the 3rd Separate Assault Brigade's command cadre, and among the first of the new corps to be publicly presented. Its composition is only partly public — member brigades carry graded subordination on their own records. Public compilation records the 60th Mechanized Brigade joining in July 2025 and the 53rd, 63rd and 125th in August 2025; those four are drawn under the corps from that compilation and graded reported, no official order having been read.
- Strengths
- Inherits the 3rd Assault Brigade's recruitment brand, training pipeline and staff culture; a purpose-built corps staff rather than an improvised grouping.
- Limitations
- A new structure with a short institutional track record; public information on composition and boundaries is partial and contested.
Subordinate formations
3rd Separate Assault BrigadeBrigade · subordination reported60th Mechanized BrigadeBrigade · subordination reported53rd Mechanized BrigadeBrigade · subordination reported63rd Mechanized BrigadeBrigade · subordination reported125th Heavy Mechanized BrigadeBrigade · subordination reportedRows are layout only — position and order carry no hierarchy, importance, sequence or strength. Every record shown is an immediate subordinate of the selected organisation.
Related organisations
- KRAKEN 1654 Disputed relationship · as of 2026-07 · low confidence
What is disputed: the unit's current formal subordination. Later public reporting associates Kraken with the 3rd Army Corps, while this atlas carries it under the intelligence-linked grouping on the strength of its documented origin. Neither placement is asserted as current, and the unit is not reassigned until the relationship passes source review.
Lineage & institutional history
Campaigns
Campaigns naming this organisation as a participant. The campaign record owns the relationship and grades it; this list is computed.
- The eastern attritional campaign Opposing force · Since April 2022 · moderate confidence · as of 2026-06
Recorded as a formation the module publishes and that is consistently associated with the eastern axis in open reporting. No position is stated.
Quick actions
System access
Where this record connects into the rest of Vigil. Each row is here because this organisation actually reaches it.
Assessed as of — 2026-07 Last reviewed — 2026-09-29
See this force in the structure Interactive: select this record and follow what connects to it.