While not clear from this article, the German one mentions
According to the team, the soldiers were probably settlers from the area who have now been called up as reservists. They were travelling in a private vehicle and were wearing civilian headgear.
I got a 403 too, but I was able to access it this way.
That just gives me endless captchas :D
Oh, it’s not just me? I thought maybe I was IP banned after using it too much on reddit.
Their site has become borderline unusable too, unfortunately. Oddly, it works fine for me when I connect through a VPN.