Tekdeep, leading provider of technical diving tuition worldwide are running an expedition in April 2015 like no other. To hunt for the lost wreck of the Mecalle, a World War 2 submarine which lays undiscovered in Sudan.
You can read the full history of the loss of the Mecalle at:
http://www.tekdeepsafaris.com/blog/the-history-of-the-mecalle/
Or to learn more about this great expedition visit:
http://www.tekdeepsafaris.com/schedule/the-hunt-for-the-mecalle/