Bob and Sherilyn Cook can trace their Mercy Ships roots way back to when they were young teenagers at church in rural Colorado. Some of their friends in youth group, Don and Deyon Stephens, went on to marry and become the founders of Mercy Ships. Although Bob and Sherilyn have never served on board one of the Mercy Ships vessels, they are passionate about the mission and have dedicated the past four years to traveling and speaking at churches on behalf of Mercy Ships. In this episode yo...