Editor's note: We had to cancel this live video chat because we're busy reporting out new developments on the story. Thanks to all of you who submitted questions! Some of them may have been answered in our chat earlier today, which you can replay from this link.
It's your turn to ask questions about the missing Malaysian jetliner, Flight MH370.
Tonight, immediately after his report for NBC Nightly News at 6:30 p.m. ET, NBC News' Tom Costello will host a live video chat with former NTSB investigator Greg Feith.
Use hashtag #AskNBCNews on Twitter to submit your inquiries to our aviation expert. Questions will be answered live in the video above.
Once the live stream is over, we'll replace it with a replay of the Q&A.