ISW Russian Offensive Campaign Assessment, April 21, 2026

Tamara Ceaikovski

Key Takeaways from the ISW : Russian Chief of the General Staff Army General Valery Gerasimov continues to make greatly exaggerated claims of Russian advances amidst Russian forces’ poor performance in their ongoing Spring-Summer 2026 offensive. Even the most generous interpretations of other Russian sources do not support Gerasimov’s claims. Gerasimov is likely attempting to obscure Russia’s disappointing lack of progress thus far in its Spring-Summer 2026 offensive. The Kremlin continues its

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