Married Couples Mission Trips: Central America: Senior Adults: July: 1 to 2 weeks: $500 to $1000: Service Projects & Helps - Browse by Continent : MissionGuide.globalMarried Couples Mission Trips: Central America: Senior Adults: July: 1 to 2 weeks: $500 to $1000: Service Projects & Helps - Browse by Continent : MissionGuide.global