schiavo is now an aviation attorney who represents families suing airlines in crashes and disasters and rob mccullum is a cnn analyst and vice president at williamson and associates and captain van gurley is a senior manager at metron solutions. we've had five days since the last confirmed ping. rob, at this point does this simply cement the point that the batteries are likely dead and it's time to think about other assets in which to introduce to this area? >> yes, i think so. i mean, the manufacturer is being very clear about the battery life and, you know, every good effort is being expanded and it's now looking like the batteries are fading and it's time to start mowing