Darkships surrounded with a metal shell to keep the air in.

It's what going out into space in a metal shell is all about.

The car was little more than a burned-out metal shell.

They applied terrific heat to all parts of his metal shell.

He tapped on the metal shell of each escape suit and got a response from inside.

I'm just ready to come out of this metal shell and bump up against some people again.

This time it was really on the outside of the thin metal shell around them.

The metal shell of the tank wasn't quite so susceptible to the field.

The unmoving man inside that metal shell, however, was not so fortunate.

The metal shells for the signals are white rather than black.