Clean Water/Sanitation Mission Trips: Senior Adults: 1 to 2 weeks: June: $1000 to $3000: Thailand: The Fuller Center for Housing - Browse by Continent : MissionGuide.globalClean Water/Sanitation Mission Trips: Senior Adults: 1 to 2 weeks: June: $1000 to $3000: Thailand: The Fuller Center for Housing - Browse by Continent : MissionGuide.global