Astrochicken would be launched by a conventional spacecraft into space, like an egg being laid into space.

The Spidron is incapable of teleportation and has to rely on conventional spacecraft to travel between planets.

Our ships will be orders of magnitude faster than any conventional spacecraft today.

If a conventional spacecraft went into a similar roll, he said, "we would be looking for small pieces now."

This is obviously a conventional spacecraft, although very large.

In its present configuration it looked like a conventional spacecraft or even a naval vessel.

Another star is due to pass close to the sun, close enough for conventional spacecraft to reach it.

There is no detectable shipwake that could represent a conventional spacecraft at that point.

After that they translated us to a larger conventional spacecraft.

Electromagnetic propulsion could take us to the heliopause at a speed unachievable by conventional spacecraft.