Sr. High Mission Trips: 3 to 5 months: Orphans and vulnerable children: Married Couples: $1000 to $3000 - Browse by Start year : MissionGuide.globalSr. High Mission Trips: 3 to 5 months: Orphans and vulnerable children: Married Couples: $1000 to $3000 - Browse by Start year : MissionGuide.global