Why are Rory and John looking very pleased with themselves?
Because they got us out to Out Stack beyond Muckle Flugga on the first day of the Clidive 2009 expedition to the Shetlands. The visibility was pretty average (for the Shetlands):
We could all see the surface from deeper than 30m. Jealous? Don’t be. 1 hour in, and the compressor has only filled 2 cylinders so far.