Polikarpov TsKB-15 / TsBK-19 / I-17 Article 09/11/2025Terry Back to Polikarpov TsKB-15 / TsBK-19 / I-17 The second prototype, the TsKB-19 The second prototype, the TsKB-19 Share this: Click to share on X (Opens in new window) X Click to share on Facebook (Opens in new window) Facebook Like Loading... Related
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