Keywords: US Navy 050411-N-3419D-056 A female bottlenose dolphin BJ performs her daily exercises while her trainer, Dera Look.jpg en Kaneohe Bay Hawaii April 11 2005 A female bottlenose dolphin BJ performs her daily exercises while her trainer Dera Look supervises at the joint Marine Mammal Research Program on board Marine Corps Base Kaneohe Bay Hawaii Professionals and students from the University of Hawaii are studying dolphin hearing and echolocation the use of sound waves to see The research will improve the Navy s mining and sonar techniques and make the oceans safer for marine mammals U S Navy photo by Journalist 2nd Class Jessica B Davis RELEASED 2005-04-11 050411-N-3419D-056 Navy http //www navy mil/view_image asp id 24101 U S Navy photo by Journalist 2nd Class Jessica B Davis PD-USGov-Military-Navy Marine Corps Base Hawaii United States Navy Marine Mammal Program Tursiops truncatus captive People with sea mammals Jumping dolphins |