Grupo Anti-Secuestro de Aviones

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The Grupo Anti-Secuestro de Aviones (Airborne Counter-Hijacking Group, GASDA) is an elite unit of the Colombian Air Force, although it is under the operational command of the CIAES (Centro de Información Anti-Extorsión y Secuestros). The unit's task is to counter terrorist and criminal activity at all of Colombia's airports; it is located at Madrid Air Base, outside Bogotá. GASDA has an estimated strength of between 60 to 90 men, organised into 25-man sections. Each of these sections has three assault teams, a security team and a support element. Members are volunteers drawn from Air Force security units; most are airborne qualified, whilst all have passed the Colombian Army's rigorous Lancero course.