Work is underway in the Soviet Union on a 400-ton hydrofoil vessel with a speed of 47 to 52 knots.
Umsebenzi uyaqhubekeka eSoviet Union kwiinqanawa esineetoni ezingamakhulu amane ezinesantya samashumi amane anesixhenxe ukuya kumashumi amahlanu anesibizo omlinganiselo wesantya senqanawa.