From NBC News.

Flight trackers caught one of the U.S. Air Force’s $223 million "Doomsday" aircraft arriving at Joint Base Andrews in Maryland, around the time when President Trump was weighing whether to strike Iran’s nuclear facilities. NBC News’ Gadi Schwartz explains how the plane operates in case of a national emergency.  For more context and news coverage of the most important stories of our day, click here: https://www.nbcnews.com

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