The Watchtower - Earth 50 - The Multiversity Guidebook

The headquarters of the Justice Lords, The Watchtower, uses the satellite to carry out worldwide surveillance, aiding the "heroes" in suppressing free speech and democratic elections.

Earth 50 - The Multiversity Guidebook

Designated Earth 50, this world became a global police state after Superman murdered President Lex Luthor. Order is maintained by the newly formed Justice Lords, who ruled through fear and tyranny. 

The Lords' extreme methods were challenged by Batman, who went into hiding, waging war against his former friends and allies, whom he believed were lost causes.