Limited penetration techniques (or what we refer to as “shallow entry”) have a number of applications. In the most general terms, the purpose of executing a shallow entry as opposed to a deep entry is to minimize your exposure to danger areas deeper in the room and to remain closer to the entry door, making it easier for you to pull back or break contact in an emergency. Shallow entry techniques are more common and widespread than many people realize. For example, when a four-person team executes a traditional “points of domination” room entry technique, the third and fourth person into the room are actually executing a shallow entry (limited penetration) movement to compliment the deep entry executed by the first two assaulters. Therefore, learning the correct footwork for shallow entry can be useful regardless of which CQB system you employ.