"When you think about ft, Vic, this could develop into the ultimate weapon in interplanetary warfare," one of the physicists was saying.

Individual people remain largely unchanged from those of modern times, due in part to stretches of protracted interplanetary warfare during which technological progress slowed or even reversed.

The Line-General was a patient V'ornfi-a patience born and bred in the intense cauldron of interplanetary warfare.

The human race was not well-versed in large-scale interplanetary warfare, considering the slow time frames and the vast distances involved.

In Phil Hardy's The Aurum Film Encyclopedia: Science Fiction the film was described as "a full-blooded space opera complete with interplanetary warfare and bug-eyed monsters.

I dragged deeply on the cigar and considered what little I knew about interplanetary warfare.

Still others suggest forces more like marines: highly mobile forces engaged in interplanetary and interstellar warfare but with most of the actual conflict occurring in terrestrial environments.

As I saw it, interplanetary warfare would be over-and that was the Dream.

She defended her actions on the grounds that averting interplanetary warfare was a responsibility so great as to justify courses of action that would otherwise be considered immoral or illegal.

The earliest known fiction about travelling to outer space, alien life-forms and interplanetary warfare, it has been referred to as "the first known text that could be called science fiction."