After President-elect Donald Trump traveled to Texas for Elon Musk's SpaceX launch, Gio Benitez reports on how problems with the Starship's booster caused it to intentionally be redirected into the Gulf of Mexico, resulting in a massive explosion; Trevor Ault has details on the new brush fire that broke out in New York City as fires flare up across the drought-stricken Northeast, and Ginger Zee tracks the rain finally heading to the Northeast along with an atmospheric river that could bring dangerous flooding and mudslides to the West; Ian Pannell has the latest on Ukraine launching American-made long-range missiles into Russia for the first time as the Kremlin responds with a nuclear threat; and more on tonight's broadcast of World News Tonight with David Muir.