Answer:
I scribble forms of the finest letter, And repel elements of the harshest weather. I am an arrow-aimer and a dust-breaker.
I saw a strange creature. Long, hard, and straight, thrusting into a round, dark opening. Preparing to discharge its load of lives. Puffing and squealing noises accompanied it, then a final screech as it slowed and stopped.
I can travel from there to here by disappearing, and here to there by reappearing.
What word starts with 'E', ends with 'E', but only has one letter? It is not the letter 'E'.
What makes a loud noise when changing its jacket, becomes larger but weighs less?
They are many and one, they wave and they drum, Used to cover a state, they go with you everywhere.