[dragnet2]

Oh, ya mean volunteers with boats, water craft...I have no idea what that has to with reliable communications for areas without traditional communications due to disaster, but thanks.

[madison10]

They used communication that was being discussed above. That was the whole reason they were mentioned.

[Bodleian_Girl]

The Cajun Navy used Zello to communicate with each other, and people who needed rescuing used the app to communicate with the Cajun Navy.