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 that was carrying the Chinook:
And this is the Chinook:
Oh Afghanistan—what a fun place that must be!