I just pictured their gantry and space bubble thing hang over the side of discworld

You cannot fall off the earth silly. There's an impenetrable dome, guarded by NASA agents stationed all around the globe. Besides, there's nothing beyond the dome. Space is fake and everything you see in the sky is either within the dome or on its inner surface.

SMH normies can't get the most obvious stuff right.

Literally Discworld

(See: The Colour of Magic)

This is reminding me so hard of an old webcomic I read like a decade ago about this witch girl who fell off her world and discovered hers was one of many flat, triangular worlds in the cosmos but I cannot for the life of me find it.

Does flat not mean level?

The true innovation will come in form of a cat-assisted launch, which gets the rocket dropped off the edge much quicker and environmentally friendly (the only expenditure is cat treats)

Let's be honest, if real, we'd have all figured this program was made in America.