Fort Russ - 20th January, 2016
The video below shows the launch of a Russian surface-to-air missile system, belonging to the Yemeni Army, with the radars in full operation mode. The missiles used are type S-75 Dvina. The Saudis had previously damaged this system in a strike, but the Houthis have it back up and running.
After the strike, the video shows the result: A U.S surveillance drone smashed to pieces on the ground.