four, half a dozen more pings to start to narrow that search area down from the 500 square miles that rene reported it currently is. >> and, rene, you're there for us still. what are you hearing from your sources right now? do they anticipate that, you know, the next few hours they're going to be able to announce maybe there have been some more pings? >> you know, at this point, we don't know if there have been any more pings. we do know that hms echo now in the vicinity, wolf. we know that it has the capability of listening as well. it has passive sonar. also has the ability to map the ocean floor. although they haven't given us much detail as far as what the specific task of hms echo will be in the area. we know that the ocean shield is leading the charge as far as using the pinger locator to pick up more pings. but we'll just have to wait. we're hoping to get more information as these press conferences happen.