2014-08-20T18:08:07.812a828e1f-4df8-4a8b-8ec9-303d54f5afe62024-06-11T21:37:47.98false{"Notes":"Also known as North Pole-4. Alternate spellings Severnyy, Severnyj, Poljus, Polius, Polus","Commissioned":"1954-04-08","Decommissioned":"1957-04-19"}SEVERNY POLYUS 4