President Donald Trump says that the U.S. needs Greenland for a massive new missile defense system called the “Golden Dome.” Newsweek’s senior defense reporter Ellie Cook explains what the project is, why Greenland matters for U.S.L defense and why some experts say owning the island isn’t necessary. | Newsweek

Newsweek’s Senior Defense Reporter Ellie Cook explains why Peru’s government has declared a state of emergency in the capital following weeks of protests over rising crime and corruption. | Newsweek

An Arctic with less ice means new trade routes, access to new resources and, experts say, potential collision between Russia and NATO. Newsweek's Senior Defense Reporter Ellie Cook investigates ⬇️ | Newsweek