Four men who were working on the Francis Scott Key Bridge when it collapsed are still missing. Divers have also located a pickup truck in the waters of Baltimore Harbor. Meanwhile, the NTSB will examine the recorders for insights into why the container ship lost power and couldn't turn before ramming into the bridge. With much of the ship traffic in Baltimore Harbor halted, thousands of jobs could be affected. NBC News' Tom Llamas and Tom Costello report. » Subscribe to NBC News: https://www.youtube.com/user/NBCNews NBC News Digital is a collection of innovative and powerful news brands that deliver compelling, diverse and engaging news stories. NBC News Digital features NBCNews.com, MSNBC.com, TODAY.com, Nightly News, Meet the Press, Dateline, and the existing apps and digital extensions of these respective properties. We deliver the best in breaking news, live video coverage, original journalism and segments from your favorite NBC News Shows. Connect with NBC News Online! Breaking News Alerts: https://link.nbcnews.com/join/5cj/breaking-news-signup?cid=sm_npd_nn_yt_bn-clip_190621 Visit NBCNews.Com: https://www.nbcnews.com/ Find NBC News on Facebook: https://www.facebook.com/NBCNews Follow NBC News on Twitter: https://twitter.com/NBCNews Get more of NBC News delivered to your inbox: nbcnews.com/newsletters #Bridge #Baltimore #Maryland