An Untapped Mission Force. Did you know that more than 70% of those who make a decision for Christ do so by the age of 15? They are the most open and responsive to the gospel. The 4 to 14 Window Movement prioritizes children ages 4 to 14 and helps them become full partners in God's mission - as children. This movement has spread to every region and almost every nation of the world in the last 8 years. The Great Commission Coalition serves to facilitate the North American Regional Leadership Team for the 4 to 14 Window and focuses on 6 strategic objectives to maximize our efforts.