This XCB drill bit was driven through this plywood by the pressures built up in the core barrel. Louie Umandal (Floorman, Transocean), Edwin Codilla (Floorman, Transocean), Thor Pepito (Floorman, Transocean), and Bubba Attryde (Toolpusher, Transocean). (Credit John Beck, IODP/TAMU) [Photo ID: exp334_051] Back to expedition photos.