XSp.

Ever cried over some money you spend on something useless? I suppose we all did at some point in our lives…
Well, to make your concience better (or even worse if you’re and american tax payer), here’s the explosion of a Delta II Rocket that was taking a $45 million GPS satellite in it:

Oooh, and just imagine the fortunate 24 car owners that saw their vehicles turned into a pile of molten metal and glass on that parking lot?
Most expensive fireworks show ever? Unfortunately not.

Source: TechEBlog