Aerial Tiered Network.

* Col. Chad Chasteen, G-3/5/7 director of the Army future vertical lift cross-functional team, raved about a Kraus Hamdani Aerospace-manufactured unmanned aerial vehicle that provided an airborne tactical communications hub to rotary-wing aircraft during Project Convergence 21.

It is "silent, quiet, flexible, adaptable. You can load it in the back of a [Ford] F-l 50. You can assemble and disassemble it with an Allen wrench," he said. The drone operates on solar power during the day and a battery at night.

As for the communication payload, eight...