I think the key is a flexible approach from mission agencies, with a new focus in working with churches to ensure that cross-cultural mission does not get ignored completely in favour of local mission. Mission agencies need to be able to adapt, not only to the context of millennial missionaries, but also to new trends in the church.
So why join an agency? For me, the biggest reason was to be accountable. I felt that the local church wasn’t equipped to keep me accountable on a continual rather than an occasional basis.