Answer:
What dress does everyone have, but no one wears?
What does no man want, yet no man want to lose?
I march before armies, a thousand salute me. My fall can bring victory, but no one would shoot me. The wind is my lover, one-Βlegged am I. Name me and see me at home in the sky.
Long and think, red within, with a nail at the end.
What has a spot and is very bright, is sometimes, red, white, blue, yellow or green and is often blinding.
If you can spot one of these eastern warriors, it means they're not doing their job right.