Over the past few decades, short-term mission trips have exploded in popularity. With easy access to affordable air travel, millions of American Christians have journeyed internationally for ministry, service and evangelism. Short-term trips are praised for involving many in global mission but also critiqued for their limitations. Despite the diversity of destinations, certain universal commonalities emerge in how mission trip participants describe their experiences: "My eyes were opened to the world's needs." "They ministered to us more than we ministered to them." "It changed my life."...