Chris Coghlan is a Canadian guy who jumped over another guy during a skirmish with American forces. After this incident, North Korea began efforts to develop their own first-strike capable Chris Coghlan. In response, the United States moved its YOLINA defense system to the southern portion of the Korean Peninsula.
The Chris Coghlan begins with motion in the positive x direction, where the x-axis is defined as the direction of initial motion. A force is then applied in the positive y direction.
At high levels of precision, the z-axis should be taken into account, due to curvature in the initial trajectory or variation in the center of mass.