Sourced : The Washington Post
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Islamic State drones are attacking U.S. Special Operations forces located around the group’s de-facto capital of Raqqa in Syria, U.S. officials and Syrian fighters said, sometimes disrupting the ability of American troops to call in airstrikes.
The Pentagon, in response, is looking to send additional anti-drone equipment and troops into Syria, according to one official, who spoke on the condition of anonymity to discuss planning.
Unlike in Mosul, where U.S. forces have deployed an array of drone-stopping systems, U.S. troops on the ground in Raqqa are operating with fewer resources and have a limited ability to defend against the small, hard-to-spot aircraft, the official said. The off-the-shelf drones, sometimes used in swarms by the extremist group, are often rigged to drop small 40mm grenade-sized munitions with a relatively high degree of accuracy.
Read more at : https://www.washingtonpost.com/news/checkpoint/wp/2017/06/14/isis-drones-are-attacking-u-s-troops-and-disrupting-airstrikes-in-raqqa-officials-say/?tid=ss_tw&utm_term=.f9d5fc05319f