Gary S. wrote:

From sea floor to summit it towers more than 5.6 miles (9 km), larger
than Everest from the surrounding area or from sea level.

The ultimate climb, one would step out of the bathysphere at the
lowest sea floor, and then climb along the ocean bottom to the shore
line, where you would change out of the deep sea diving suit, climb up
to the summit, and then launch from the summit with a hang glider and
catch thermals as high as possible.

If anyone actually does this, I should get royalties

Jean-Marc Boivin launched a glider off Everest's peak in 1988 - lousy
thermals, tho; high sink rate.

P.S. Didn't Steve McKinney and crew do an earlier flight from the West
Ridge?