Interesting Lambda bug

[Voltor]

In all the years I've played I have never seen the turret guns on Lambda spawn like this after we emerge from getting the grenades.  The guns were all in their normal positions atop the walls when we started.

 

So, spawn error when we returned after getting the grenades?   Can the guns be moved via Foldspace?  Doesn't seem likely as tp ally/enemy can't move them