Sea-Air-Space Winds Down on Twitter

As the sun set over the Potomac River at National Harbor, Maryland, the Navy League's Sea-Air-Space event came to a close. The steady flow of enthusiastic messages on Twitter suggested it had been a hit with many of its attendees.

Defense Secretary Ash Carter emphasized high-end innovation in his address.

How the U.S. Marine Corps maintains its high standards.

Boeing displayed its high-altitude sub-hunter, the HAAWC.

An audience learned how networks underpin fifth-generation warfare.

A cautionary note.

More In Don't use -- Sea Air Space

Space Force missions delayed by rocket woes may not launch this year

Even if ULA's Vulcan rocket is certified in the coming weeks, time is running out to fly the missions before the end of the year, an official said.

Pentagon picks programmers to connect its Replicator drone swarms

The announcement comes a week after the Pentagon revealed several of the drones it plans to buy through Replicator.

Pentagon announces hypersonic testing pact with UK, Australia

The agreement, which falls under AUKUS Pillar II, aims to leverage the three nations’ combined hypersonics funding, facilities and experience.

Notre Dame unveils first-ever hypersonic Mach 10 wind tunnel

A first-of-its-kind test facility unveiled earlier this month at the University of Notre Dame could improve the Pentagon’s hypersonic research.

Space Force targeting more affordable GPS satellites

The program comes amid growing concern from Pentagon and other government leaders about GPS vulnerability.