A Random

SCIFI.radio story

Earth suffers a temporary glitch in the space-time continuum, creating sentiant walruses who want to plug us into a power grid and use us as living batteries even though they are radioactive who derive their sustainance by the army, navy, air force, space force and/or marines , but scientists create a new weapon which kills them all.
The End.but they die from catching the common cold.
The End.