Which of the following is the last step in clearing a room?

The last step in clearing a room is marking. This process involves indicating that the room has been cleared and is safe, typically by placing a marker or sign that signifies the status of the room. It serves a crucial purpose in maintaining situational awareness for any team members entering the area later. This marking confirms to others that the room has been searched and helps prevent unnecessary re-entry or confusion during further operations.

In a tactical context, marking shows that the team is disciplined and systematic in their approach. By establishing clear communication through such indicators, team members can better coordinate their actions and ensure everyone's safety. This step is essential after the active search and clearing of the room, ensuring that the area is marked to avoid redundant operations or potential threats being overlooked.