3 ms·
As far as drones go, I guess it depends on what you mean by commercially viable: https://en.m.wikipedia.org/wiki/Northrop_Grumman_RQ-4_Global_Hawk https://en.m
by Godel_unicode 10y ago
As far as drones go, I guess it depends on what you mean by commercially viable:
https://en.m.wikipedia.org/wiki/Northrop_Grumman_RQ-4_Global_Hawk https://en.m.wikipedia.org/wiki/Northrop_Grumman_RQ-4_Global...