underway. we don't know if there are new developments, though, beyond the refining the search area. we anticipate some sort of announcement being made. we will bring it to you live. we want to bring in our panel. author of why planes crash, investigator fights for safe skies and doing calculations on the search. boeing trip 777 captain and miles o'brien, former department of transportation inspector who represents accident victims and their families. richard, let's start with you. you were with me in the 8:00 hour. you heard from captain mark math thi mathies from the u.s. navy. he said the life of the pinger is 30 days and may go up to 45 days and may allow that much time to focus the search on trying to get another ping. >> yes.