Story summary.In a future where a deadly airborne virus has made earth uninhabitable & the few survivors immune to it have a highly withered body. But a group of these men of the future, with advanced technology including time travel, seem to be up to something nasty.
Much of the story appears to be body snatching raid of an airplane in the past, an airplane about to crash. But their intentions are honorable, as we'll discover in the end...
Nominated for Nebula Award 1978 (or was it 1977) in short story category.