The sentry yawned, started at the sound of a hoot owl, relaxed and rubbed his eyes.
Suddenly a bayonet pressed against his collarbone. A huge hand gagged his terrified grunt. On the sleeve he could just make out a swastika. Thirty seconds later all hell began as bombs exploded and rifles and machine guns chattered throughout the woods. Two minutes later the firing stopped. The company began counting its losses: one lieutenant; one sentry; 13 other enlisted men.
This was not Tunisia, but Fort Knox, Ky. Raiders were the Nazi Platoon—30 German-speaking, noncommissioned Armored Forcemen who prey on trainees out on long...