Al Qaeda’s leadership has reportedly set up cells of engineers to find ways to destroy and sabotage unmanned aircraft in an effort to curb the U.S. drone campaign against militants in the Middle East and North Africa.
U.S. intelligence officials have tracked the group's efforts to create a counter-drone strategy since 2010, according to secret intelligence documents obtained by the Washington Post from National Security Agency leaker Edward Snowden.
The classified report, titled "Threats to Unmanned Aerial Vehicles," consists of a summary of dozens of intelligence assessments posted by American spy agencies since 2006, The Post reported.
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