How is “present arms” used?

In Taking Chance (2009), one line is: “- Ready, two. - Present arms!”

Which movie is “present arms” from?

The clip at the top of this page is from Taking Chance (2009).

- Ready, two. - Present arms!

6 作品で登場 · 1 本目

to hold a rifle vertical in front of the body as a mark of respect

6 本の映画に登場

オックスフォード映画の 100%
to hold a rifle vertical in front of the body as a mark of respect
- Ready, two. - Present arms!
- Napaloni and his wife will step onto a crimson carpet... - Present arms!

定義：Oxford Advanced Learner's Dictionary 第 9 版