I recently had the opportunity to teach New Testament Survey for missionary trainees at To Every Tribe, and I was very impressed with the organization. I deeply appreciate the vision and passion of David Sitton (founder and president of TET), and all those I met there. These people are training to go to dangerous and unreached areas for the sake of Christ.
Here is a video they produced of me describing briefly why New Testament Survey is important for missionaries. (Here is a print version)