Imagine you're getting out of your house and the entire fuselage of a twin-engine Boeing CH-47 Chinook helicopter crashes right in front of you. This is exactly what happened when a Sikorsky CH-53E Super Stallion lost the Chinook it was carrying.
To give you an idea about how this may have looked from the outside, here is the Super Stallion:
And this is the Chinook:
Oh Afghanistan—what a fun place that must be!