Senior Adults Mission Trips: Action International Ministries: August: 1 to 2 years: Internship: Zambia: $1000 to $3000 - Browse by Participant type : MissionGuide.globalSenior Adults Mission Trips: Action International Ministries: August: 1 to 2 years: Internship: Zambia: $1000 to $3000 - Browse by Participant type : MissionGuide.global