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This is the City Ukraine Cannot Afford to Lose.

Fronts Staff • June 17, 2026

This is the City Ukraine Cannot Afford to Lose.

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About this briefing

Ukraine’s battlefield outlook is improving—but one city could still decide the war. Discover why Slovyansk is the fortress Ukraine cannot afford to lose, and how Russia’s next offensive may hinge on its fate. Megaprojects: https://www.youtube.com/@megaprojects9649 SideProjects: https://www.youtube.com/@Sideprojects Into The Shadows: https://www.youtube.com/@IntotheShadows Today I Found Out: https://www.youtube.com/@TodayIFoundOut Brain Blaze: https://www.youtube.com/@brainblaze6526 Casual Criminalist: https://www.youtube.com/@TheCasualCriminalist Decoding the Unknown: https://www.youtube.com/@decodingtheunknown2373 Places: https://www.youtube.com/@Places302 Celestium: https://www.youtube.com/@Celestium1234 HomeFronts: https://www.youtube.com/@homefronts

Sources

  1. 01Understandingwar The Importance Of Ukraines Fortress Belt Geospatial Intelligence Terrain Analysis
  2. 02Kyivindependent With Fresh Pressure Near Sloviansk Russias Stop Start Offensive Nears Ukraines Fortress Belt
  3. 03Reuters Ukraine Begins Compulsory Evacuation Children Donbas City 2026 03 20
  4. 04Understandingwar Russian Offensive Campaign Assessment June 10 2026
  5. 05Osw Russians Are Advancing Towards Sloviansk And Kramatorsk Day 1462 War
  6. 06Bbc Cj6yd4d5zj6o
  7. 07Meduza Putin Says Russian Troops Are Advancing On Every Front In Reality The Main Battle Is Around Kramatorsk And Ukraine Could Hold The City Through 2026
  8. 08United24media Russia Shifts Donetsk Offensive To Kostyantynivka After Slovyansk Push Stalls Isw Says 19731
  9. 09Newsweek Donetsk Isw Putin Trump Zelensky
  10. 10Criticalthreats Russian Offensive Campaign Assessment April 1 2026
  11. 11Atlanticcouncil Zelenskyy Refuses Russian Demands To Surrender Ukraines Vital Fortress Belt
  12. 12Kyivindependent Analysis A Year Since Its Creation Ukraines Flawed Unfinished Corps System Will Be Key For Front Line Stability
  13. 13Apnews Russia Ukraine War Commander Syrski
  14. 14The Telegraph Nato Ukraine Soviet Battlefield Tactics Squandered Weapons
  15. 15Kyivindependent Top Ukrainian Commander Slams Military Leadership In Resignation Letter As Command Culture Problems Persist
  16. 16Mwi More Than Modernization Ukraine And The Army Transformation Initiative
  17. 17Ecfr Combat Lessons What Europeans Should Learn From Ukraine
  18. 18Understandingwar Russian Offensive Campaign Assessment June 11 2026
  19. 19Understandingwar Russian Offensive Campaign Assessment June 9 2026
  20. 20Understandingwar Russian Offensive Campaign Assessment June 8 2026
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  22. 22Understandingwar Russian Offensive Campaign Assessment June 6 2026
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