Originally Posted by tbzep

Yes, and the verniers only gimbal on one axis. From the images, it looks like they pivot near or below their CG like a see-saw instead of being anchored at the "top" like most of our engines.

The US program's most famous (easily visible) verniers were on the Atlas, but also on the Thor. They were used to control roll because the main engine could only control pitch and yaw. The Soyuz verniers control everything.