Adult Mission Trips: North America: 1 to 2 weeks: Preaching/Public Speaking: $500 to $1000: DCI Missions - Browse by Participant type : MissionGuide.globalAdult Mission Trips: North America: 1 to 2 weeks: Preaching/Public Speaking: $500 to $1000: DCI Missions - Browse by Participant type : MissionGuide.global