100th Mechanized Brigade (Ukraine)

100th Separate Mechanized Brigade
100 окрема механізована бригада
100 okrema mekhanizovana bryhada
Shoulder sleeve insignia
Active27 June 2018 – present
Country Ukraine
Branch Ukrainian Ground Forces
RoleMechanized Infantry
Size2,000 (April 2024)
Part of10th Army Corps
Garrison/HQLutsk, Volyn Oblast
Engagements
WebsiteOfficial Facebook page
Commanders
Current
commander
Colonel Ruslan Tkachuk (2022 - present)
Notable
commanders
Colonel Kucher Oleksandr (2018 - 2020)
Insignia
Field insignia
Flag
Former flag

The 100th Separate Mechanized Brigade (Ukrainian: 100 окрема механізована бригада, romanized: 100 okrema mekhanizovana bryhada), formally 100th Volyn Defense Brigade, is a formation of the Ukrainian Ground Forces formed on 27 June 2018. The brigade was a former Territorial Defense Brigade until being reformed in late March 2024 as a Mechanized Brigade.