Last class of Discipleship Training 400 (DT 400) Take it to the streets and live out your calling! DT 400 is where we step beyond the classroom and develop a deeper sense of our calling to serve our community and the world. This training is designed to equip you with practical tools to live out your faith and make a difference wherever you go. This class is open to all DT 300 graduates. Come ready to be equipped and empowered to take the love of Christ into the world!