Operators aboard the Australian navy vessel ADF Ocean Shield move U.S. Navy's Bluefin-21 into position for deployment.

INDIAN OCEAN (Apr. 14, 2014) Operators aboard the Australian navy vessel ADF Ocean Shield move U.S. Navy's Bluefin-21 into position for deployment. Using side scan sonar, Bluefin will descend to a depth of between 4,000 and 4,500 meters, approximately 35 meters above the ocean floor to spend up to 16 hours at this depth collecting data. Joint Task Force 658 is supporting Operation Southern Indian Ocean, searching for the missing Malaysia Airlines Flight 370. (U.S. Navy photo by Mass Communication Specialist 1st Class Peter D. Blair) File# 140414-N-OV358-037