CNN Erin Burnett OutFront April 7, 2014 23:32:00
Deployment of ships and planes yet, the multinational search team, 11 planes, three civil planes, and 14 ships. the black box pingers will soon fall silent, if they havent already. were at 32 days now and maybe the problem with reacquiring the signal could be a battery problem. we just heard from the commander of the u.s. navy. out front with more on what crews are listening for right now. >> reporter: this is what a ping sounds like. >> very high frequency. >> reporter: the critical sound searc...
Source: archive.org