Armed Conflict — 2026-05-31

Ukrainian Drone Strikes Hit Training Grounds of Russia 64th Brigade Responsible for Bucha Atrocities

BLUFTargeting active training grounds rather than frontline logistics signals a deliberate USF shift toward degrading Russian force reconstitution, with compounding effects on rotation timelines if sustained.

Ukraine's Unmanned Systems Forces struck the 3rd Army's Tryokhizbenka training ground in occupied Luhansk Oblast and the 36th Army's Prymorskyi Posad camp in occupied Zaporizhzhia Oblast overnight on May 30, USF Commander Robert "Magyar" Brovdi reported on Facebook 12. Operators from the 414th "Magyar's Birds" Brigade and 413th "Raid" Regiment struck both targets at depths of 70 and 100 km under the newly established Deep Strike Center, recording 21 confirmed hits total 123. Confirmed losses at Prymorskyi Posad, which serves the 64th Separate Motorized Rifle Brigade, total 31 personnel: 9 killed, 9 wounded, and 13 missing, with Brovdi reporting the actual figures are likely higher 12. The operation also struck a gas storage facility in Yenakiieve and Russian logistics in occupied Donetsk and Luhansk oblasts 124.

Analysis
The Deep Strike Center's first documented operation marks a qualitative shift from single-axis logistics interdiction to simultaneous strikes across two occupation zones. Targeting active training grounds focuses on Russian force reconstitution rather than frontline strength, a distinction that bears on projected Zaporizhzhia offensive timelines. All casualty and operational claims, including Brovdi's stated expectation that actual figures are higher, rest on a single Ukrainian military reporting chain with no external corroboration. The 31 confirmed casualties at Prymorskyi Posad represent a floor if Russian force protection received advance indicators and partially dispersed the camp before impact, limiting actual disruption to reconstitution timelines.

5 sources

Ukrainian forces hit positions of Russia's 64th Brigade, which committed atrocities during occupation of Bucha - Ukrainska Pravda
Russian brigade that committed war crimes in Bucha hit by Ukrainian drone strike, military says - Kyiv Independent
The lair of the 64th brigade, which raged in Bucha in 2022. The SBS birds worked out the training grounds and the military camp. - Ukraine Today
Watch: USF strike Russian training grounds and military camp - Online.ua
USF Commander Brovdi post on 64th Brigade strike, Tryokhizbenka and Prymorskyi Posad - Robert Brovdi (Facebook)