www.teenmissions.org Christian Short Term Missions Trips for Teens | Preteens | Adults & Kids We serve to challenge, train and disciple young people, exposing them to worldwide missions. As they see the pressing needs of the world, we pray that many will also see the necessity for training to help them meet these needs more effectively. A large number of our former alumni are in full-time Christian ministry serving the Lord worldwide as pastors, teachers, Christian authors and missionaries.