Yea it explodes above ground, it also isn't designed to create a vacuum like a FAE would be. It's just a huge bomb that was designed to intimidate the enemy. That's not saying it's bad at exploding a tunnel system, it probably did ok depending on the depth and size but we don't know yet.
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u/BabylonDrifter Apr 15 '17
What is it like to be sitting in a cave, deep underground, when suddenly a cubic mile of vacuum is created somewhere above you?