The document discusses different tactical room entry methods and techniques for clearing rooms and hallways safely and efficiently as a team. It describes the closed and dispersed stacks for entering a room with a closed door, with the heavy side entering first. Key steps for clearing a room are outlined, such as clearing the doorway, corners, and dominating the room. Techniques are provided for clearing corners using near-far and high-low methods. Methods for quickly clearing hallways and stairs are also reviewed.

1. DSSDSS
ROOM ENTRY TACTICSROOM ENTRY TACTICS

2. FREE FLOW METHODFREE FLOW METHOD
…“…“enter” the room by movingenter” the room by moving
in the opposite direction of thein the opposite direction of the
person in front of you.person in front of you.

3. Tactical StackTactical Stack
““CLOSED”CLOSED”

4. Second team member should back up the
lead team member, and if necessary,
provides security for the breacher.
Breacher with shotgun or
mechanical breaching tools
Team Leader
NOTE:NOTE: The team should use the “light and heavy” stack conceptThe team should use the “light and heavy” stack concept
to minimize the chances of bumping into each other whento minimize the chances of bumping into each other when
entering an enclosed area. As a general rule, the heavy side ofentering an enclosed area. As a general rule, the heavy side of
the stack should enter the room first. This slide shows the entrythe stack should enter the room first. This slide shows the entry
team using the “one and five stack” set up (light and heavy side).team using the “one and five stack” set up (light and heavy side).
However, the stack may end up with two members on the lightHowever, the stack may end up with two members on the light
side while three other members stack on the heavy sideside while three other members stack on the heavy side
of the door. Also, the team may elect to disperse its formationof the door. Also, the team may elect to disperse its formation
if there is imminent danger at the door.if there is imminent danger at the door.
Direction of Movement
Lead
team member
(Door Security)
Rear security
CLOSED STACK – 5 Man Team

5. CLEAR THE DOORWAY (clear immediate area)CLEAR THE DOORWAY (clear immediate area)
CLEAR THE CORNERSCLEAR THE CORNERS
DOMINATE THE ROOM (ensure to check behind the door)DOMINATE THE ROOM (ensure to check behind the door)
CONTROL OCCUPANTS (verbiage)CONTROL OCCUPANTS (verbiage)
SECURE THE ROOM (mark room if possible)SECURE THE ROOM (mark room if possible)
REPORT STATUSREPORT STATUS
COVER AND EVACUATE (back clear)COVER AND EVACUATE (back clear)
ROOM CLEARING STEPS

6. Emergency – Team leader should quickly account for all teamEmergency – Team leader should quickly account for all team
members. He should take a quick look around, then pass the “handmembers. He should take a quick look around, then pass the “hand
squeeze” forward to launch the first team member into the room.squeeze” forward to launch the first team member into the room.
Use the “thumbs back, squeeze forward” signal to ensure allUse the “thumbs back, squeeze forward” signal to ensure all
team members are accounted for if all possible. As a minimum,team members are accounted for if all possible. As a minimum,
the second team member (backing up the lead team member atthe second team member (backing up the lead team member at
the door) should control movement into the room. He will be thethe door) should control movement into the room. He will be the
team member responsible for launching the “lead” team memberteam member responsible for launching the “lead” team member
forward.forward.
If there is imminent danger at the door (closed), use theIf there is imminent danger at the door (closed), use the
dispersed stack. Also, if at all possible, somebody should opendispersed stack. Also, if at all possible, somebody should open
(breach) the door for the first and second team members.(breach) the door for the first and second team members.
Minimize your noise at the door…the bad guy can shoot throughMinimize your noise at the door…the bad guy can shoot through
the door.the door.
Keep the entry very simple by using the “free flow” method…Keep the entry very simple by using the “free flow” method…
move in the opposite direction of the person in front of you.move in the opposite direction of the person in front of you.
ACTIONS AT THE ENTRY POINT
If all possible, clear the immediate area before breaking throughIf all possible, clear the immediate area before breaking through
the door (threshold) and move quickly into the room.the door (threshold) and move quickly into the room.

7. DISPERSED STACKDISPERSED STACK
( 4 Man Team – closed door )( 4 Man Team – closed door )

8. Second
team member( back up security support )
Third
team member
( Rear security )
Last team member - Breacher
with shotgun or mechanical
breaching tools
Lead
team member
(Door Security)
Team member near the doorway, checks behind the doorTeam member near the doorway, checks behind the door
DISPERSED STACK – 4 Man Team

9. DISPERSED STACKDISPERSED STACK
( 5 Man Team – closed door )( 5 Man Team – closed door )

10. Second team member
( back up security support )
Third
team member
( Rear security )
Last team member - Breacher
with shotgun or mechanical
breaching tools
Lead team member
(Door Security)
Team member near the doorway, checks behind the doorTeam member near the doorway, checks behind the door
DISPERSED STACK – 5 Man Team

11. Tactical Entry withTactical Entry with
Sectors of FiresSectors of Fires

12. Second team member
( back up security support )
Third
team member
( Rear Security )
Last team member
(Rear Security)
Lead team member
(Door Security)
1
DISPERSED STACK – 4 Man Team

13. Tactical Entry WithTactical Entry With
Door OpenedDoor Opened

14. Second team member
( back up security support )
Third team member
Last team member (Rear security)
Lead team member
(Door Security)

15. Corner ClearingCorner Clearing
( Near / Far Method )( Near / Far Method )

16. Lead
team member
Corner Clearing – Near Far
( clearing team members remain standing )
DIRECTIONOFMOVEMENT
Second
team member
Last team member
provides rear security
Third team member
stands by

17. Corner ClearingCorner Clearing
( Near Far )( Near Far )
wall
wall
wall
wall

18. Corner ClearingCorner Clearing
( High / Low Method )( High / Low Method )

19. Lead
team member
kneels down
Corner Clearing – High / Low
( one team member assumes a kneeling position near the wall )
DIRECTIONOFMOVEMENT
Second
team member
Last team member
provides rear security
Third team member
stands by
wall

20. Corner ClearingCorner Clearing
( High Low )( High Low )
wall wall
wall

21. HALLWAY CLEARINGHALLWAY CLEARING
( CLEAR ON THE MOVE )( CLEAR ON THE MOVE )

22. HALLWAY – T SHAPE - WideHALLWAY – T SHAPE - Wide
( CLEAR ON THE MOVE )( CLEAR ON THE MOVE )

23. HALLWAY CLEARINGHALLWAY CLEARING
( CLEAR AND HOLD )( CLEAR AND HOLD )

24. HALLWAY – T SHAPE - WideHALLWAY – T SHAPE - Wide
( CLEAR AND HOLD )( CLEAR AND HOLD )

25. Second
team
member
Lead team
member
CLEAR ON THE MOVE
DIRECTIONOFMOVEMENT
Second
team
member
Third team
member
Lead Agent
Last team
member
Third team member
should move up and
back up the Lead
Agent.

26. STAIRSSTAIRS
( MOVE QUICKLY )( MOVE QUICKLY )

27. Fourth
team
member
Stairs Entry – Overhead View – Ascending
Hallway
LongWall
Last
Landing
Landing
Landing
Lead team
member
Lead team
member
Second
team
member
Third
team
member
Second
team
member
Third team
member
ROOM
Second
team
member
Third team
member
Fourth team
member
Lead team
member
Fourth team
member

28. Fourth
team
member
Stairs Entry (descending) – Overhead View
Hallway
Landing
Lead
team
member
Second
team
member
Third
team
member
Second
team
member
Third
team
member
ROOM
Second
team
member
Third
team
member
Fourth
team
member
Lead team
member
Fourth
team
member
Third
Team
member
Lead team
member