The sergeant was in one of his rare moods

The sergeant was in one of his rare moods as he lectured the recruits. “Let me ask you a simple question, what is fortification?”

There was no response. Nor did any of the rookies answer when he repeated the question.

Walking up to the new man who looked closest to normal, the sergeant barked right into his face, “What is fortification?”

The soldier gulped and managed an answer, “Two twentifications, Sarge!”