Original image: Enemy defense engineering
Image: In the strip from the river Neman to the Gumbinen-Königsberg railway
Original image: In the strip from the river Neman to the Gumbinen-Königsberg railway
Image: Letzen fortified area
Original image: Letzen fortified area
Image: Map
Original image: Map
Image: Defense of East Prussia
Original image: Defense of East Prussia
Image: The main tasks of the 1st Air Army in breaking through the defense of East Prussia
Original image: The main tasks of the 1st Air Army in breaking through the defense of East Prussia
Image: Map

Image: Map

Image: Map

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