USS HENRY CLAY SSBN-625
ON THE KEEL BLOCKS
(675 DPI)

Once the ship was firmly sitting on the keel blocks, all lines were tightened and
special wedges were moved into place, underwater, to ensure that the ship could
not slip off the blocks. The drydock then pumped out all of its ballast and rose
out of the water lifting the ship.

To see an enlarged version (861 KB), click on the picture.

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© 2007 Gerald A. Pollack