"I trusted them with my life ... I fought with these guys and watched them die for us."
"The purpose is to deny access, specifically revenue to ISIS (Islamic State) and any other groups," SecDef Esper said Monday.
Vice President Mike Pence announced that Turkey will halt its invasion of Syria to allow Kurdish fighters with the YPG to withdraw from a safe zone being established on Turkey's border with Syria.
"We made a lot of money for them to fight with us, and that's okay. They did well when they fought with us. They didn't do so well when they didn't fight with us."
The Trump administration hopes to limit the fallout from the invasion, despite the Turkish President's insistence that there would be no ceasefire.