GENERAL NEWSWORLD Flight 370 Search to Go Underwater 14/04/2014 0 Tweet A Bluefin-21 sub will be sent underwater to create sonar images of the ocean floor. ABC US News | ABC Business News (adsbygoogle = window.adsbygoogle || []).push({}); Related posts:U.S. Remains Top Arms Exporter, but Russia is Nipping at its HeelsPaul O'Grady heads to Zambia & South Africa for 'Animal Orphans' on ITV Faith comforts family of Texas man aboard missing plane