Fortified Entrance

The entrance of the isolated complex on … is of exceptionally robust construction. Clearly built to last, its exterior features heavy armor plating, radiation shields, and an array of atmospheric sensors. … believes it was built to withstand extreme conditions. Scans suggest that a large underground chamber can be accessed via a series of sealed security doors.

The command below will trigger the "Fortified Entrance" event in Stellaris:

When this event fires, you can choose between the following option:

• Curious.