B-52 on test flight plunged at a rate of nearly a mile a minute before crashing, killing 8

LOS ANGELES (AP) — The B-52 involved in a deadly crash during a test flight at an Air Force base in California made a sharp right and then nearly completed a 180-degree turn before plunging to the ground at a rate of nearly a mile a minute, limited tracking data shows Tuesday.All eight people aboard were killed in Monday's fiery crash of the Boeing B-52 Stratofortress, which was taking part in a routine mission as part of an overall program to keep the long-running aircraft flying for decades to come. It was not yet clear what caused the plane to crash immediately after takeoff, and officials at Edwards Air Force Base said it could take up to six months to complete the investigation.The airfield remained closed Tuesday. Crews were making the crash site safe for search and recovery teams to enter, after fires flared up overnight, said Mike Paoli, a spokesperson for the 412 Test Wing at Edwards.The flight tracking that was available Tuesday shows the bomber turning to the northeast right