First unmanned helicopter deployed in operational service (Gyrodyne QH-50C)
Monday, January 7, 1963
Gyrodyne QH-50C equips the USS Buck to become the first operational unmanned helicopter drone.
It later served in a recce role off the coast of Vietnam with day/night TV/laser rangefinder sensors and weapons.
To see a video of the aircraft in service, click on this link.
Source: AHS Calendar, January 2009