StAs the first anniversary of Operation Barbarossa approaches, the Soviet high command knows that the Germans are planning another major offensive. But the Germans have a way of surprising their enemies.  Map 1: The Soviets push back the Germans, winter 1942 Map 2: German Case Blue objectives, 1942 Map 3: Leningrad front    Sturmgeschutz III self-propelled assault gun    Karl-Gestat super-heavy mortar Sources: Clayton Donnell, The Defence of Sevastopol, 1941–1942: The Soviet Perspective. South Yorkshire, UK: Pen & Sword Military Books, 2016. Anthony Tucker-Jones, Slaughter on the Eastern Front: Hitler and Stalin's War 1941–1945. Stroud, Gloucestershire, UK: The History Press, 2017. Antony Beevor, The Second World War. London, UK: Little, Brown and Co., 2012.  Wikipedia: Timeline of the Second World War, 1942 — Karl-Gerat https://en.wikipedia.org/wiki/Karl-Gerat — Lend-Lease https://en.wikipedia.org/wiki/Lend-Lease