We know that Four months ago, Malaysia Airlines Flight MH370 went missing (March 8 2014). Experts said ” Flight might be crashed into Indian Ocean “. Malaysian Government struggling to find the flight in underwater. Most of the passengers in that fight were chinese citizens. Malaysia Defense Minister Hishammuddin Hussein said that a “Malaysian navy ship equipped with a multi-beam echo sounder and also Australia will send towed sonar scan for the search.” will join the search on August 4. It will do a deep-sea search, as the multi-beam echo sounder is used as a device to map the ocean floor. It will take one year for complete search and it will cover 60,000 square kilometers.