Desert Canyon Heat and Air was a company owned by the Kaliba Group and based near Charm Acres, officially manufacturing devices within the heat and air market. This was however a cover for its actual top secret operation – to develop advanced drones. The drones appear to be constructed of endoskeleton hyperalloy. Sightings of the drones were frequently mistaken for alien spacecraft, appearing as the three dots Sarah Connor couldn't get off her mind. Someone hosted a massive surveillance operation around the house of George McCarthy and other employees.