Royal Navy submarine and survey ship join hunt for missing Malaysian Airlines flight MH370 in Indian Ocean

Submarine HMS Tireless and survey ship HMS Echo have joined search
Doomed flight MH370 disappeared on March 8 with 239 people on board
Despite searching for more than three weeks, there is still no sign of jet
Search area is currently focused on 98,000-square mile area off Perth, Aus
Ministry...
Royal Navy submarine and survey ship join hunt for missing Malaysian Airlines flight MH370 in Indian Ocean