Answer:
I save lives on the ground and in the air
I have a head but never weeps. I have a bed but never sleeps. I can run but never walks. I have a bank but no money. What am I?
If you drop me I'm sure to crack. But give me a smile and I'll always smile back.
What goes around the wood but never goes into the wood?
Fashions change, but what can a person wear that is never out of style?
It has no top or bottom, but it can hold flesh, bones, and blood all at the same time.