It&#x27;s been a long time, but as I recall from memory, the U.S. started supplying them with shoulder-launched Stinger missile systems.  Quite effective against armored helicopters (and, to a lesser extent, low-flying fighter planes).<p>There was considerable concern over whether and where to those systems might travel &#x2F; be traded &#x2F; be sold.<p>But it marked a turning point in the conflict.