US troops rehearse their upcoming invasion of Attu Island during World War II

The video discusses how troops, initially inexperienced in combat, underwent intense training in practice invasions from their bases in Alaska. They recognized the strategic importance of these maneuvers and mastered the techniques of landing operations with great seriousness.

What was the level of experience of the troops in actual combat?

What were the troops trained in during their practice invasions?

Why did the troops understand the importance of their maneuvers?

What techniques did the troops master during their training?

How did the troops approach their training for landing operations?