What is the most powerful thruster in the world?

What, pray tell, is the mightiest thruster that currently exists on our planet? Is it a behemoth of a machine, crafted by the finest engineers, pushing the boundaries of what we thought was possible? Or is it a more subtle yet equally impressive device, operating with a finesse that belies its immense capabilities? Surely, the world must be abuzz with excitement about this marvel of modern technology, so I must inquire: what is the most powerful thruster in the world, and what sets it apart from the rest?