Answer:
They're up near the sky, on something very tall. Sometimes they die, only then do they fall.
I cannot be other than what I am, until the man who made me dies. Power and glory will fall to me finally. Only when he last closes his eyes.
The stack just might be sent all over. Full of what's new, yet it's nearly obsolete.
Soldiers line up spaced with pride. Two long rows lined side by side. One sole unit can decide, if the rows will unite or divide.
It is an arctic double breasted formal wear.
I run through hills. I veer around mountains. I leap over rivers. And crawl through the forests. Step out your door to find me.