A division of the Martian Infantry is marching to the sounds of a snare drum broadcast directly into their brains via implanted antennas. One of them is a well-built but slow soldier named Unk. They form a square around a red-haired soldier who has been chained to a stake. They march in unison, come to attention in unison, and stand at ease in unison, all controlled by the antennas in their heads.
The man at the stake is looking for Unk, but cannot see his face in the crowd of soldiers. Unk does not recognize the man, however. He has just come from the hospital where his memory has been erased. He has been retrained and told he is an excellent soldier. His antenna has been explained to him. It will give him a.....