Syrian rebel Yarmouk Brigades ditch US and Israel allies, defect to ISIS The Syrian rebel militia Al Yarmouk Shuhada Brigades, backed and trained for two years by US officers, mostly CIA experts, in Jordan, and supported by the Israeli army, has abruptly dumped these sponsors and joined up with the Islamic State in Iraq and Syria, debkafile’s exclusive military and counter-terrorism sources reveal. The sudden defection of this 2,000-strong anti-Assad force leaves IDF defense formations on the Golan, US and Jordanian deployments in the northern part of the kingdom, and pro-Western rebel conquests in southern Syria in danger of collapse....