Bluefin-21 Resurfaces After Hitting Roadblock in Hunt for Malaysia Airlines Plane

A submersible used to investigate the seabed of the Indian Ocean for the missing Malaysia Airlines Flight 370 has resurfaced after it hit a roadblock.

The Bluefin-21, an autonomous underwater vehicle, was deployed from the Australian navy ship Ocean Shield early Monday. However, the submersible turned back six hours into its mission to explore the search zone in the southern Indian Ocean, off the coast of Western Australia, because it exceeded its maximum depth of around 15,000 feet, according to a release from the Joint Agency Coordination Centre. The six hours of collected data is currently being "extracted and analyzed." Read more...