MSPA command station

The MSPA command tower is a signal broadcasting device located on Calliope and Caliborn's Planet. It is similar in appearance and function to a radio tower, but is covered in several monitors and is topped with a blinking red beacon HS 7375 (bearing the MS Paint Adventures logo). At its base, there is a computer terminal and a smaller second tower covered in locks.

The terminal features two screens: a smaller one on top, which displays the current user command, and a larger one on the bottom, which shows the current commentary from Homestuck's narrator. A keyboard in front of the screens can be used to communicate directly with the narrator, as Caliborn does after finding the tower.

Most of the tower's functions have been disabled, with even simple features like turning off Caps Lock unable to be used. According to the narrator (presumed to be Andrew Hussie), these features must first be activated by acquiring keys and placing them into the locks on the second tower and terminal.

Logical speculation may suggest that each lock on the miniature tower corresponds to a screen on the main tower. Depending on what a green lock means (likely but not certain to represent unlocked), this could imply that, despite all of the screens being blank, one of them may actually be active.

Other points of interest are questions such as what would happen if Caliborn were to unlock the command line and start entering his own commands. It would probably be bad, and therefore will probably end up happening.