The detention force generator was a weapon from Galactos Major. One of these weapons was in possession of Sarah Jane Smith.
File:Detention Force Generator.jpg
Clyde Langer used the detention force generator to defeat the Judoon. (WC: Defending Bannerman Road)
Clyde Langer used it to fight off a Judoon who was in the armee of the Krulius and attacked him at 13 Bannerman Road. (WC: Defending Bannerman Road)