What action is performed in Battle Drill 7?

In Battle Drill 7, the action performed is to enter a trench to secure a foothold. This drill focuses on how infantry units should approach and occupy trenches, which are critical for defense and hold against enemy advances. Securing a foothold in a trench allows troops to gain a tactical advantage, as trenches provide cover and concealment from enemy fire.

The drill includes steps for coordinating movement, utilizing fire and maneuver, and understanding the importance of communication among team members. It's essential for scouts and infantry to effectively secure these positions to ensure future operations, such as assaults or retreats, are executed successfully and with minimal casualties.