Purchasing three of the drones like this one would cost less than a half-day charter of a helicopter with camera.
Drones
Image courtesy of Coral Ecosystem Connectivity 2014 Expedition. Download larger version (jpg, 1.0 MB).

Purchasing three of the drones like the one Cedric Guigand brought on board would cost less than a half-day charter of a helicopter with camera, if you could get one to come this far offshore.

Learn more