The 21st Army Corps ( A5160) is a Corps of the Ukrainian Ground Forces.
History The 21st Army Corps is a military unit formed as part of Ukraine's ongoing defense reforms. These reforms aim to improve command structures and operational readiness amid ongoing conflicts.
Structure As of 2025 the corps structure is as follows:
XXI Army Corps Corps Headquarters Management Commandant Platoon 4th Heavy Mechanized Brigade 9th Recon Battalion 68th Artillery Brigade 93rd Mechanized Brigade 102nd Anti-Tank Battalion 144th Material Support Battalion 152nd Jaeger Brigade 155th Mechanized Brigade 159th Mechanized Brigade 167th Communications Battalion 433rd Unmanned Systems Battalion 520th Repair and Restoration Battalion 531st Security Battalion
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