Papier Mache. Similar to trick Confederates used by making wood cannons look very real. Whoever believes any of this tripe does deserve to have his/her head cut off.
I’m not impressed!
No. It is real enough, but likely non-operational. They got it from the Syrian facility in the east of the country that the Israelis bombed back in 2007. See videos from Al Kibar during 2013 when the rebels forced the Syrian Army to abandon it.
https://www.youtube.com/watch?v=iPL3Lg0DThc
https://www.youtube.com/watch?v=8vN-KP-nzwU