Your right foot controls your forward acceleration.

Your left foot controls your reverse acceleration.

They can't be pushed down together; when one goes down, the other goes up. Balance one against the other.

Turning your wheel controls the roll of the boat.

Pulling your wheel toward you, or pushing it away, controls the pitch.

Shifting the wheel left, or right, controls the yaw.

The instructions had been pounded into his head until each one seemed to ring like a separate little bell. The problem was coordinating his body to act on those instructions.

One of the radar dials told him how far he was from the rock. Another told him his radial velocity relative to it. A third told him his angular velocity.

"Come to a dead stop exactly one thousand meters from the surface, Mr. Danley," St. Simon ordered.

Danley worked the controls until both his velocity meters read zero, and the distance meter read exactly one kilometer.