You were breathing vacuum for five or six seconds at least.

The rest of my crew died trying to breathe vacuum.

"We'll all be breathing vacuum if you don't keep those shields up!"

If anyone attempted to breathe vacuum, he would not be the first.

"Now we see how long you can breathe vacuum."

She breathed vacuum without any kind of protection against internal moisture loss.

Many of them had learned what it was like to breathe vacuum.

It was better than trying to breathe vacuum or get left behind because the aliens wouldn't pick you up.

More than twenty, though, were still alive to breathe vacuum.

"I'll make them breathe vacuum if they try to fight."