We started with six Kokua from Pennsylvania. They were in Kona for about three weeks and I got to work with them and start laying cables.

There are all sorts of opportunities to serve in Kona. Check out https://ywamkona.org/kokua-program/ 

Even at an international level, go and have a look at https://www.missionbuilders.org/
As of August 2020 things are opening up and there are places you can go and serve.