The Watchtower became the official headquarters of the Justice League of America after the decommissioning of the Justice League Satellite. The Hall of Justice may have still been in operation but this was never revealed.
- The Watchtower made its' first appearance in JLA # 4 (April 1997).
- In DC Comics, the Watchtower was a base on the moon. In this cartoon, it is portrayed as a satellite, similar to the Justice League Satellite, which is based on the Watchtower from the Justice League and Justice League Unlimited cartoons.
- ↑ As seen in That's What Super Friends Are For.
- ↑ For more information about this DC comic book, click here.