The five Marines aboard a helicopter that crashed in California earlier this week were confirmed dead on Thursday. Driving the news: The helicopter‚ on a routine training flight from Nevada to California‚ was reported overdue on Tuesday after not arriving in San Diego as scheduled. The helicopter was located Wednesday morning in Pine Valley‚ Calif.‚ — about 50 miles from the air station in San Diego. Authorities said search and rescue operations were underway to locate the...