Arkhangelsk Oblast the main shipyard for the Russian Navy. Among the oldest populated places of the oblast are Kholmogory, Kargopol, and Solvychegodsk; there are a number of Russian Orthodox monasteries, including the Antoniev Siysky Monastery and the World Heritage Site of the Solovetsky Islands in the White Sea. Plesetsk Cosmodrome is one of three spaceports in Russia (the other two are Kapustin Yar in Astrakhan Oblast and Yasny in Orenburg Oblast). Arkhangelsk Oblast, which includes Nenets Autonomous Okrug, borders Kirov Oblast, Vologda Oblast, the Republic of Karelia, the Komi Republic, and the White, Pechora, Barents and Kara seas. Cape Fligely in Franz
Astrakhan and were thrown into the Volga. During Operation Barbarossa, the German invasion of the Soviet Union in 1941, the A-A line running from Astrakhan to Arkhangelsk was to be the eastern limit of German military operation and occupation. The plan was never carried out, as Germany captured neither the two cities nor Moscow. In the autumn of 1942, the region to the west of Astrakhan became one of the easternmost points in the Soviet Union reached by the invading German Wehrmacht, during Case Blue, the offensive which led to the Battle of Stalingrad. Light armored forces of German Army Group