Democrat Amy McGrath is challenging one of the most powerful Republicans in Congress, Sen. Mitch McConnell (Ky.) for his Senate seat.

Faced with a rapidly growing Chinese Navy, the U.S. Army is seeking to adapt a land-based targeting system for a maritime strike role.

The U.S. Naval Research Laboratory is supporting the Space Development Agency by building a hardware and software testbed for optical communications to enable interoperability between different satellites.