The '45-90-180' Limited Entry Technique for Pair Room Entry

[DareTactical]

Here is an excerpt from the "MANUAL DE COMBATE URBANO CONVENCIONAL PARA UNIDADES
DE INFANTERÍA DE MARINA", the Urban Combat Manual for the Mexican Marines, which I was made aware of thanks to Ryan.
Obviously it is in Spanish but I may upload a translation later with the help of google.

It shows what is known as the '45-90-180' limited entry technique being used for pair room entry, making this the first official military document I've seen displaying this very up to date room entry technique. (Note: The manual only seems to recommend this entry to be used for pair room entry, and when a fireteam size entry team is available, immediate entry is taught to be used.)

This method is what I have been mentioning for a while and was also independently theorised by Max Velocity in his post from December 2014, 'Tactical Clearance: An Alternative CQB Technique' (link: http://www.maxvelocitytactical.com/2014 ... technique/)

It is interesting that the Mexican Marines are the first large scale military force to officially have adopted this exact technique (IDF Limited Entry is slightly different), looks like they are ahead in fireteam level urban tactics when compared to some other militaries (ehemm... UK, US, France).

Pair approaches closed door. No.2 moves to other side of door so that their is one operator on either side.
No.1 acts as the breacher and attacks the hinges or lock (if needed).
No.1 then returns to original position.

45-90-180(A).PNG (99.96 KiB) Viewed 9111 times

No.1 Opens door (in this example, door swings into the room). Pair cross-cover so that they can clear as much of the deep corners as possible from the doorway. (This is the '45')

45-90-180(B).PNG (67.88 KiB) Viewed 9111 times

Pair then pies off, clearing most of the room from the outside until they are (or are almost) shoulder to shoulder, directly facing the doorway, looking into the room. (This is the '90').

They then move into the room simultaneously (or near simultaneously if the doorway is too narrow) facing away from eachother, clearing the deep corners as soon as they pass the threshold. (This is the '180').
Once they have cleared the deep corners they sweep the room again from this position and identify any further potential threats (such as another doorway in the room).

45-90-180(C).PNG (230.94 KiB) Viewed 9111 times

[DareTactical]

Any thoughts?

[Ryan]

Any thoughts?

I became aware of this post-Guzman raid. Friends contacted me with it after recognizing that they essentially used a limited entry on every door they hit and did so successfully (especially if you ignore the online banter about it). I would say that this qualifies as a 45-90-180 or something similar.

[Breacher01]

I always ask for my pizza to have as many slices as possible, because I can't get enough slices.

Limited entry while facing likely or actual opposition is not a cqb technique, its basic survival instinct.

[tacticalguy]

I always ask for my pizza to have as many slices as possible, because I can't get enough slices.

Limited entry while facing likely or actual opposition is not a cqb technique, its basic survival instinct.

Well said!