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So what are we doing to make space travel safe from orbital debris . Today a number of Government Agencies have a role in orbital debris mitigation. Three of those agencies are represented on the panel today. The dod Strategic Command is responsible for tracking orbital debris. The fcc has jurisdiction for mitigating orbital debris from satellites and faa office of commercial space transportation regulates orbital debris from commercially licensed launch and reentry vehicles however what is an quite clear is which agencies have or could have legitimate roles and space Traffic Management. That ...

Know what brought it down. What if the next plane you board has the same safety issue . And the politics lead. After the glitchy rollout, a surprising finish. With a surge of signups, obamacare has met its original target. The president is expected to claim victory live this hour. Welcome to the lead. Im jim sciutto filling in for jake tapper again. They have been accused of wasting precious time in the search for their loved ones. They have even called the malaysian government murderers. And now with 239 people on board missing, family members may finally get some of their questions answered ...

And now a month after this plane has fannish ivanished, it is c and our sources say investigators are confident that the pilot, not the copilot, but the pilot was the last person to speak to air traffic controllers. That was the voice heard saying good night. For weeks we were told it was the copilot. As for the search itself we now have a new possible signal today heard by one of these sono buoys. They are floating microphones that these search teams they toss them off airplanes into the ocean below just to listen. So if youre counting along with us, this is the fifth credible ping that could...

The government of ukraine has air defenses in the region where the plane went down. Ukraine says prorussian separatists are behind the crash, while Vladimir Putin says ukraines military campaign against the separatists is to blame for this. Were going to cover all angles of the story for you. And meanwhile, in israel, how long will the ground operation last . And is the showdown with hamas spinning out of control . Were going to take you there live as well. So lets get right to the very latest on flight 17. Back with me now is our chief National Correspondent jim sciutto. Jim, thanks for joini...

Is this the type of missile believed to have brought down flight 17 . How many of these systems are out there . How easy would it be for terrorists to get their hands on them . Also in world news, not all those killed in the israelipalestinian conflict are israeli or palestinian. American citizens are now dying while fighting for the israelis as the consequences from gaza hit home on u. S. Shores. Hello, im jim sciutto filling in nor jake tapper. We begin with the world lead. Bodies used as the bargaining chips after days of dispute over how to handle the remains from the crash of Malaysia Air...