Amazing! As a military geek I had to visit this place and I was not disappointed. The fact that I was able to see in person some of the most famous pieces of artillery and military vehicles that previously I could only read about speaks for itself. I also loved the fact that I could see some of the communications equipment which doesn't get as much spotlight as artillery and air defence do.
As a bonus, there's also a couple of cats sitting on tanks and other equipment just looking hardcore