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Close-up of forward radar - This is a close-up view of the forward radar (surface) mounted on a mast in the bow section of D/V Glomar Challenger during modification work between Legs 25 and 26 of the Deep Sea Drilling Project. The 194-foot tall drilling derrick is at the left.

Close-up of forward radar - This is a close-up view of the forward radar (surface) mounted on a mast in the bow section of...