Anchored by Jake Tapper, The Lead airs at 4 p.m. ET on CNN.
Continuing coverage of Malaysia Airlines Flight 17. Plus, the latest on Mideast tensions.
(CNN) – A new, so-called partial ping may indicate the moment Malaysia Airlines Flight 370 crashed into the ocean.
CNN aviation analyst Steven Wallace and CEO of U.S. Geospatial Intelligence Foundation Keith Masback explain what that final ping reveals about the missing plane. They also weigh in on what Flight 370 will do for the aviation industry.