NTSB Board Member Robert Sumwalt listens to presentations during the NTSB hearing on the Jan. 12 WMATA electrical arcing/smoke event at L’Enfant Plaza Station.
<a rel="nofollow" class="external text" href="https://www.flickr.com/people/68618467@N03">National Transportation Safety Board</a>
<a rel="nofollow" class="external text" href="https://www.flickr.com/photos/ntsb/18899546770/">Panelists and Staff at day one of the NTSB hearing on the Jan. 12 WMATA electrical arcing/smoke event at L’Enfant Plaza Station</a>