ISW is now prepared to assess that Ukrainian forces have broken through Russian field fortifications west of Verbove in western Zaporizhia Oblast. These fortifications are not the final defensive line in Russia’s defense in depth in western Zaporizhia Oblast, but rather a specific series of the best-prepared field fortifications arrayed as part of a near-contiguous belt of an anti-vehicle ditch, dragon's teeth, and fighting positions about 1.7 - 3.5 km west of Verbove.
Ukrainian Tavriisk Group of Forces Commander Brigadier General Oleksandr Tarnavskyi stated in an interview with CNN published on September 23 that Ukrainian forces achieved a “breakthrough” on the left flank near Verbove and that Ukrainian forces continue advancing. Combat footage posted on September 22 shows a destroyed Ukrainian Mine-Resistant Ambush Protected (MRAP) and BMP-2 operating slightly beyond Russia’s fighting positions trench line near Verbove, indicating continued Ukrainian progress in deploying more heavy equipment beyond Russia’s triune belt of the anti-vehicle ditch, dragon’s teeth, and fighting positions. Commercially available satellite imagery indicates that Ukrainian forces have brought heavy equipment closer to Verbove over the past 96 hours in a manner consistent with Tarnavskyi’s statement. The Wall Street Journal reported on September 21 that Ukrainian forces achieved a “limited breakthrough” west of Verbove citing an unnamed Ukrainian Air Assault Forces officer.