Driller Justin Blouin loads a perforated section of the anodized aluminum casing for the Surtsey Subsurface Observatory into the SE-02B drill hole. There are five perforated sections in the 182 m long casing, at 38 m, 64 m, 106 m, 135 m, 161 m depth. These will be the sites of incubation chambers hung in then casing for in situ hydrothermal alteration experiments.