Napoleon delayed his attack at Waterloo to allow the mud to dry. Had he attacked earlier, he might have defeated Wellington before Blucher arrived. In November 1942, Russian mud stopped the Germans, who could not advance again until the temperature dropped low enough to freeze the mud. During the Vietnam War, Project Popeye was an American attempt to lengthen the monsoon and cause delays on the Ho Chi Minh Trail.

Mud's types, characteristics, and effects -- Permanent mud -- Seasonal mud -- Random mud -- Mud and engineers -- Mud and morale -- Mud and health -- Mud, fatigue, wear and tear -- Forever mud.