This is a special kind of transport
Sometimes it's used in an emergency
Sometimes it's used by celebrities
They are also able to fly and hover
And help rescue people lost at sea
A woman from New York married ten different men from that city, yet she did not break any laws. None of these men died, and she never divorced. How was this possible?
I never was, am always to be,
No one ever saw me, nor ever will,
And yet I am the confidence of all,
To live and breathe on this terrestrial ball.
What am I?