East and west campus residents duke it out with water balloons and water cannons at the East vs. West Water War in front of Kresge on Monday. The Water War is an annual REX tradition. Feng Wu—The Tech May. 9, 2016 Facebook Twitter Reddit Print East and west campus residents duke it out with water balloons and water cannons at the East vs. West Water War in front of Kresge on Monday. The Water War is an annual REX tradition. Feng Wu—The Tech