Greyhound Leader

Greyhound Leader was a UNIT call sign which was used by Brigadier Alistair Gordon Lethbridge-Stewart. (TV: Robot, Terror of the Zygons)

It was also once used by John Benton when he answered on behalf of the Brig, (TV: Robot) and by Captain Clarke while the Brigadier and half of UNIT was away in Canada. (AUDIO: The Oseidon Adventure)

During the Nestenes' attempted invasion of Earth in the 1990s, Greyhound Leader was used by UNIT investigator Lockwood, (HOMEVID: Auton) — as well as by Colonel Wilson (HOMEVID: Auton 2: Sentinel) and special operative Ross Palmer (HOMEVID: Auton 3: Awakening)