Military’s robot cheetah sets land speed record
The test marks an early milestone in the U.S. military’s quest to create more mobile robots capable of going where legged human soldiers can go.
U.S. military looking for ways revive old satellites
The program wants to take working antennas off defunct satellites and attach them to newly launched nanosatellites using a robotic spaceflight vessel.
World’s fastest plane hit Mach 20 before crashing into ocean
DARPA’s hypersonic glider sustained controlled flight at Mach 20 for three minutes.