Meanwhile, a new report published by Conflict Armament Research claims a number of highly advanced weaponry that was secretly given to Syrian rebels have since been recovered after falling into the hands of the Islamic State.
"Iraq and Syria have seen IS forces use large numbers of weapons, supplied by states such as Saudi Arabia and the United States, against the various global anti-IS coalitions that the two states support", reads the study published on Thursday.
Around 90 percent of weapons and ammunition used by Islamic State in Syria and Iraq were made in China, Russia, and Eastern European countries, vehicle said, with China and Russia alone accounting for over 50 percent. The study analyzed more than 40,000 items as confiscated by the Iraqi Security forces including weapons, ammunition, and materials used to make improvised explosive devices.
According to the findings, 90% of the weapons and ammunition used by IS since 2014 originated in China, Russia and Eastern Europe.
"Evidence collected by auto indicates that the United States has repeatedly diverted EU-manufactured weapons and ammunition to opposition forces in the Syrian conflict".
Blowback: ISIS Got a Powerful Missile the CIA Secretly Bought in Bulgaria -A new report on how ISIS built its arsenal highlights how the United States purchased munitions, intended for Syrian 'rebels, ' that ended up in the hands of the terrorist group. The missile ended up in the hands of ISIS fighters in Iraq, according to the report.
The strategy of sending weapons to opposers of the Syrian government, was conceived in 2013 under the presidency of Barack Obama and his successor, Donald Trump, ended it last July, although two months before he had approved the handing of military equipment for the so-called Syrian Democratic Forces.
The findings were based on a three-year investigation in Iraq and Syria into the group's arms and their origins.