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.
