Historian Christian Appy states "search and destroy was the principal tactic; and the enemy body count was the primary measure of progress" in the US strategy of attrition. Search and destroy was a term to describe operations aimed at flushing the Viet Cong out of hiding, while body count was the measuring stick for operation success. Appy claims that American commanders exaggerated body counts by 100 percent.[5] This method was controversial, due to two issues.