For those not in the know, World of Tanks European Beta is closed and they are currently setting up a new server in North America.  It's time for all of you US and Aussie tankers to strap on your helmets and prepare for the next phase of the closed beta.  Servers come back online September 1st.   
 
Full info can be found here:  http://game.worldoftanks.com/news/general_news/stand_by_till_1_09 

Looks like Tank Ball but not as shockwave.