Sentinelle (France, Tier-9, HT, premium, mechanics: 2-shell drum) was released on February 6 for the WoT supertest.
Historical Reference:
A joint project of the Italian and French defense ministries that was given the name Sentinelle. The Char Lourd AP 58 was used as the basis for the vehicle and the turret and armament were Italian, while the optics and comms equipment were French. The tank was intended to have a fairly low silhouette and powerful armament. However, due to ammo standardization under NATO, the vehicle was no longer needed. The project was terminated before a prototype was built. 
Flood of tier 9???
This is the beginning of the end…
Thing is a mediocre medium. Every game this is in will have the heavy flank lose with a huge chance. It cant even help with the medium route any, this will be the worst win rate in tier 9 or close.