3 ms·
An unmanned jet is a drone, just like the D-21 which flew in 1960s. The big deal with the X-47B is that it landed autonomously and not remotely piloted.
by nether 13y ago
An unmanned jet is a drone, just like the D-21 which flew in 1960s. The big deal with the X-47B is that it landed autonomously and not remotely piloted.