With the support of U.S. intelligence, the Colombian Air Force last year engaged dozens of aircraft suspected of illicit drug trafficking, leading to the seizure of 4.4 metric tons of cocaine.
In 2017, “Colombia, with the assistance of the United States, responded to 80 unknown assumed suspect (UAS) air tracks throughout Colombia and the central/western Caribbean,” according to the latest annual report on the program. The report does not say how many of the aircraft were actually interdicted or fired upon. There were also 139 aircraft that were grounded by Colombian law enforcement agencies.
See Annual Report of Interdiction of Aircraft Engaged in Illicit Drug Trafficking (2017), State Department report to Congress, January 2018 (released under FOIA, October 2018).
The joint US-Colombia effort dates back at least to a 2003 Air Bridge Denial program involving detection, monitoring, interception, and interdiction of suspect aircraft.
The basic procedures for intercepting, warning, and attacking a suspect aircraft were more fully described in a 2010 version of the annual report. At that time, Brazil was also part of the Air Bridge Denial program.
US support for the Colombia aircraft interdiction program — which includes providing intelligence and radar information, as well as personnel training — was renewed by the President in a July 20, 2018 determination.
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