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dc.contributor.authorGjelsten, Roald
dc.date.accessioned2013-02-26T12:46:09Z
dc.date.available2013-02-26T12:46:09Z
dc.date.issued2013
dc.identifier.issn1504-6753
dc.identifier.urihttp://hdl.handle.net/11250/99821
dc.description.abstractThe purpose of this study has been to utilise the available source material to analyse the circumstances surrounding reported observations of unidentified underwater objects in Norwegian territorial waters. The aim has been to investigate the likelihood that they were unknown, foreign submarines. The period covered ranges from 1960 to 1990 with a few glances at the years before and after. Initially, the study presents an overview of which nations could have the motive, the capacity and an operational pattern of sailing their submarines to qualify as potential intruders. Next, the parameters of the unique environmental water properties that exist in Norwegian fiords are explained. Even when hunted by surface units equipped with hull mounted sonars, the conditions favour a submerged perpetrator in most circumstances. The study concludes that there is little doubt that foreign submarines have operated in Norwegian territorial waters without prior clearance from proper authorities. Since the usual way submarines operate in such circumstances is to be present, but silent and hidden, it is impossible to calculate the frequency of intrusions. Probably, the number of sightings reported represented only the tip of an iceberg. Furthermore, the analysis indicate that the majority of the submarines that violated Norwegian sovereignty in the period between 1960 and 1990 most likely were conventional submarines of Soviet origin. On the other hand, in some cases the evidence pointed to one of the Western sea powers as the possible home state of the intruder. Hence, it cannot be excluded that allied navies occasionally operated submarines in the fiords without permission. It is also a fact that very few documents have been declassified and only a minimum of sources have been available to shed light on and increase the insight into the matters treated in this study. What is common to all the countries capable of sending submarines to penetrate Norwegian fiords submerged, is the secrecy and sensitivity that still characterise this field.no_NO
dc.language.isonobno_NO
dc.publisherInstititutt for forsvarsstudierno_NO
dc.relation.ispartofseriesOslo files on defence and security;01
dc.titleFremmede ubåter i norske fjorder. Realitet eller myte?no_NO
dc.typeOthersno_NO
dc.source.pagenumber91 s.no_NO


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