Ukraine would have a “very, very difficult” time surviving without U.S. military support to fend off Russia’s invasion, ...

Ukrainian President Volodymyr Zelenskyy refused to sign an agreement to grant the United States 50 percent of all future reserves of rare earth metals in Ukraine, according to news reports following a ...

Learn about the notice issued by the Space Development Agency calling for executive summaries on the conceptual Iron Dome for ...

The legislation would authorize slightly more than $19 billion for the creation of a new missile defense shield in fiscal 2026.

In a notice Wednesday, the agency said it is conducting a study that looks at how its architecture could be expanded as part ...