Married Couples Mission Trips: Clean Water/Sanitation: 1 to 2 weeks: $500 to $1000: May: World Gospel Outreach - Browse by Continent : MissionGuide.globalMarried Couples Mission Trips: Clean Water/Sanitation: 1 to 2 weeks: $500 to $1000: May: World Gospel Outreach - Browse by Continent : MissionGuide.global