Special Operations Troops Centre
（重定向自CIOE）
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The CTOE - Centro de Tropas de Operações Especiais (Special Operations Troops Centre), based in Lamego, is a unit of the Portuguese Army with the mission of instructing troops in unconventional warfare and Counter-Terrorism. Until 2006, it was known as CIOE - Centro de Instrução de Operações Especiais (Special Operations Instruction Centre).