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1. Carlton Rauschenberg assembles the O-buoy in the hanger for testing weeks before the deployment. (Peter Peterson)
2. The helicopter transports the O-buoy base out to the ice floe where it will be deployed directly into a hole already cut through the ice. (Peter Peterson)
3. While Dan MacLean signals the helicopter, Jim Dunn and Kris Newhall guide the O-buoy through the ice hole. (Rick Krishfield)
4. Carlton, Miranda Corkum and Peter begin attaching the mast to the buoy base. (Rick Krishfield)
5. Peter and Carlton continue assembling the superstructure of the O-buoy while the outside temperature dips to -20° C (-5° F). (Rick Krishfield)
6. The mast on the O-buoy containing the meteorological sensors, chemistry inlets, differential GPS, and communications antenna is silhouetted by the setting sun. (Peter Peterson)
7. The O-buoy sits in the middle of the second IBO deployed this cruise. To the left are the ITP (number 43) and IMBB, and to the right is the AOFB and wind generator. (Rick Krishfield)