Breaking The Record
Reaching 1989, by a depth of 40,230 ft, they had broken the last record (7.5 miles). This enhanced their confidence. By the end of 1990, if all goes well, they actually should be able to reach much above 44,000 feet.
Something Down There
The forecast that they were going to reach 49,000 feet as early as 1993 was even more remarkable. But underneath the remote tundra, there lay something surprising.