It flew to an altitude of 316 feet (96 m) before returning for a controlled landing near the liftoff point.

Though, in my judgment," she added grimly, "some of them may not make a controlled landing.

If they do, we can make a controlled landing.

All eight engines operate independently and, allegedly, will allow for a vertical controlled landing should any one fail.

The final design also used delta wings for controlled landings.

It'll take at least twenty minutes to get enough fuel for a controlled landing.

Totally relaxed, but never still on their feet, the experts make full use of the wind window from self launch to controlled landing.

The damaged alien spacecraft has been recovered after making a controlled landing in the Arizona desert.

But there's no way you'll be able to fly this thing, much less make a controlled landing with it in a confined docking space.

"Take us as far as you can, then, and still provide a controlled landing."