Mr. Spaceship by Philip K. Dick

Famous writer Philip K. Dick’s present story ‘Mr. Spaceship’ is a science fiction short story. It was first published in the year 1953. The story is set in the distant future, where humanity is at war with “Yuks”, an alien life form which does not use mechanical spaceships nor constructions. Instead, it relies on life forms. The war has been going on for a long time, and humanity has not been able to come up with a solution against the life-form based ships and mines that the Yuks use.