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alvin christeningAlvin and Lulu
Alvin's basketalvin overhaul
Atlantis II and Alvinalvin and jason
Alvin and Altantisdiving off alvin
In Alvin's sphereAlvin's arm
Alvin's probeAlvin under water
Four Decades of Alvin
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alvin overhaul
Alvin has gone through a major overhaul about every three years to upgrade various components and check safety systems. All of the sub's components have been replaced at least once, so that none of the original Alvin remains. (©Terri Corbett, Woods Hole Oceanographic Institution)
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