... and the arms are flogged on the black market
This from RT (news outlets like RT, along with many Iranian news agencies, are among the most anti-American in the world).
"A classified CIA program to arm Syrian rebels is coming under fire after some of the weapons were used to kill of two American contractors in Jordan. Millions of dollars’ worth of weapons shipped to Jordan and meant to be distributed to Syrian rebels were instead sold on the black market by Jordanian officials. Former Pentagon official Michael Maloof tells RT America’s Anya Parampil that, despite the blowback from the program, arms deals like this one will probably continue."
Six minute video.