"1,718 tanks" . . "1,615 tanks" . "100,000 killed" . "Glantz:" . . "German victory" . "1942-12-20Z"^^ . . . "Operation Mars, also known as Second Rzhev-Sychevka Offensive Operation (Russian: \u0412\u0442\u043E\u0440\u0430\u044F \u0420\u0436\u0435\u0432\u0441\u043A\u043E-\u0421\u044B\u0447\u0451\u0432\u0441\u043A\u0430\u044F \u043D\u0430\u0441\u0442\u0443\u043F\u0430\u0442\u0435\u043B\u044C\u043D\u0430\u044F \u043E\u043F\u0435\u0440\u0430\u0446\u0438\u044F), was the codename for an offensive launched by Soviet forces against German forces during World War II. It took place between 25 November and 20 December 1942 around the Rzhev salient in the vicinity of Moscow.The offensive was a joint operation of the Soviet Western Front and Kalinin Front coordinated by Georgy Zhukov."@en . . "Total forces:" . "702,923 personnel," . "~ 350,000 troops." . "145,301 sanitary" . "235,000 wounded" . "Soviet operational failure" . . "Operation Mars"@en . . "1,600 tanks" . "Isayev:" . . . "2 panzer corps (5 panzer divisions, 3 motorized divisions)" . . "3 combined corps (with 13 infantry divisions and 2 paratrooper divisions)" . "70,373 irrecoverable" . .