The corona is the aura of our sun. It can be seen when an eclipse happens. Surprisingly the corona is actually hotter than the surface of the sun.
Your mission is named Project Corona because so far the investigation has been nothing but surprises. Whenever the trail goes cold(or into the dark like in an eclipse), help comes. And so far you have only skimmed the surface of something that goes deeper than just a hunt for a madman.
Ps at the first level there are switches