inertial guidance
inertial navigation

They checked their inertial guidance and started marching again.

His inertial guidance told him he was steadily gaining altitude.

The race for space was on, and inertial guidance played a key role.

First, the Peregrine could fix its position fairly well on the basis of inertial guidance.

Thus, if the terrain was good the inertial guidance became much more accurate.

A reprogrammable inertial guidance system was a major risk in the original program.

I have, in my own modest way, a new plan for inertial guidance.

The missile's autopilot then flies a course using inertial guidance toward the target.

And there's nothing in private industry for inertial guidance, you know.

The vehicle was similar to most modern rockets, with turbopumps, inertial guidance and many other features.