A 600-meter long tunnel runs from inside the harbor, allowing submarines to sail straight
in for maintenance and repairs. Seven submarines could be accommodated there. So
secret was the project, Balaklava disappeared from official Soviet maps.
``In the case of a nuclear attack, the base could stand a direct hit by a nuclear bomb,''
reads a guide to the site. It's now the Balaklava Naval Museum Complex, for tourists who
want to examine gigantic steel doors and bulkheads designed to protect against fallout.