$1000 to $3000 Mission Trips: 1 to 2 weeks: CERT International: Married Couples: Evangelism- Friendship/Discipleship - Browse by Start year : MissionGuide.global$1000 to $3000 Mission Trips: 1 to 2 weeks: CERT International: Married Couples: Evangelism- Friendship/Discipleship - Browse by Start year : MissionGuide.global