Large amount of Russian trucks painted white. At 1:05 you can see a truck carrying a large “humanitarian” radar.
https://www.youtube.com/watch?v=X72AmOyFN-M&feature=youtu.be
LOL!
Someone in other forum has identified it as a CLAM SHELL radar for S-300 able to detect 300 simultaneous low altitude targets with a range of 75 miles.