Sgt. Trent Wyatt looks out an observation window on Friday from aboard a Royal New Zealand air force P-3 Orion maritime search aircraft as it flies over the southern Indian Ocean. So far there's been no sign of Malaysian Airlines Flight 370. But officials are hoping that sounds detected below the surface are coming from one or both of the plane's black boxes. Richard Wainwright/Reuters/Landov hide caption

itoggle caption Richard Wainwright/Reuters/Landov

Women hold a banner celebrating Australia's next prime minister, conservative Tony Abbott, in Sydney. Abbott swept away Prime Minister Kevin Rudd, as voters punished Labor for years of internal party warfare. Saeed Khan/AFP/Getty Images hide caption

itoggle caption Saeed Khan/AFP/Getty Images