Alternatively, it could have been used to de-orbit Skylab for a safe, controlled re-entry and destruction.

Space craft have heat shields to ensure a safe re-entry.

With no means yet of safe re-entry, she was put to sleep inside the floating capsule.

The Orion will carry astronauts deeper into space than ever before, provide emergency abort capability, sustain the crew during space travel, and ensure a safe re-entry and landing.

The Orion will carry astronauts into space, providing emergency abort capability, sustaining the crew during space travel, and ensuring safe re-entry and landing.

The angle of attack is critical to safe re-entry.

It also will provide emergency abort capability, sustain the crew during the space travel and provide safe re-entry from deep space return velocities.

In recent months, his family said, he worked privately on the mathematical problems involving a redesign of the space shuttle for a safe re-entry and landing.

Occasional off-track excursions into the grass are normally controlled stops, with track personnel and on-board instructors supervising a safe re-entry onto the track.

Orion, the next deep space exploration vehicle, will carry astronauts into space, provide emergency abort capability, sustain the crew during space travel, and ensure safe re-entry and landing.