Soldiers Train With Live Fire At Fort Bragg

The video showcases a segment of US Army training where soldiers crawl under barbed wire, emphasizing the importance of becoming tougher and smarter. This training is part of the Army's efforts to enhance the capabilities of its soldiers, preparing them for various challenges.

In what ways are soldiers expected to be tougher and smarter?

What does the phrase 'fighting Yanks' imply about the soldiers' training?