sentences:  However, according to an ETH university study by Daniele Ganser, "P26 was not directly involved in the network of NATO's secret armies but it had close contact to MI6," the British secret service which worked closely with the Central Intelligence Agency during the Cold War and trained Gladio paramilitaries in Italy.While responding to a question in Parliament concerning the assassination of Herbert Alboth (related to the discovery of P-26), National counsellor Remo Gysin has described the relations between the Swiss stay-behind, MI6 and NATO as "notorious".Like other stay-behind organizations in Europe, P-26 had weapons caches in Switzerland, while some of its members took paramilitary and guerrilla warfare training courses with the MI6 in Great Britain.