Call of Duty

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135-180h

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MW3 - Back in the Field

MW3 - Back in the Field

Acquire the Major's keycard in 'Deep Cover' within 90 seconds without being detected

15

0.08%

How to unlock the MW3 - Back in the Field achievement in Call of Duty - Definitive Guide

Mission 5: Deep Cover

Throughout this mission it's recommended to just walk as running appears to alert the enemies. Walking near enemies and becoming suspicious (Yellow Diamond) is fine as long as the enemies don't become hostile (Red Diamond).

Soon as you start the mission and have control of Kate the timer will start. Instantly holster your pistol by pressing cn_right, then mantle over the two sandbag walls directly in front of you. Closely follow behind the LTV, giving a wide birth to both the left and right patrols that appear. At the first corner cut directly through the hanger in front of you and out the other side. Turn left and head towards the security checkpoint, the guard near the back will start walking forward, so bare left, go behind him and through the checkpoint. Walk into the courtyard, you'll see a guard walking up some stairs between two vehicles. Head towards those stairs, be aware that another guard does patrol between those vehicles as you approach. Squeeze past him, go up the stairs and kill the female guard in the room silently cn_RSc. Within a few seconds the Major should follow you up the stairs, equip your pistol cn_right and headshot him as he walks into the room. Hold cn_X to loot his keycard. If done within 90 seconds the achievement should pop. See my video guide for more detail:
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03 Nov 2023 12:17

20 Comments
buggy...
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By A4ndrea98 on 03 Nov 2023 21:39
I thought it was buggy as well but you definitely have to wait for the major to fully enter the room so when you shoot him it doesn't alert others. Not sure if this helps others were experiencing bugginess?
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By BILB0 FR4GGINS on 03 Nov 2023 22:38
Are achievements popping for anyone else I feel like I did this 20 times and had 5 secs to spare and it won’t pop
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By Twonk Juice on 04 Nov 2023 03:10
Achievement not popping up either. Done it multiple times under 90 seconds
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By LillBirdd on 04 Nov 2023 07:06
make sure she dies behind the boxes, against the cabinet, that way the major doesn't see her when he's getting inside. You have to wait for her to turn around, and as she's facing the cabinet near the boxes, do a takedown.
Here are some pics, this was the last achievement I needed: https://imgur.com/a/WeialRh
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By shaggytoph on 04 Nov 2023 09:51
I think this is buggy on xbox one
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By neoncat on 04 Nov 2023 16:25
nevermind, the timing is super tight
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By neoncat on 05 Nov 2023 01:30
I'm like a ninja and under the time and still no achievement. It is super buggy.
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By EPSILON 616 on 06 Nov 2023 02:09
I had trouble unlocking this while shooting the guy. Just keep your weapon holstered and use a throwing knife. At least that did the trick for me
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By jnzr1337 on 07 Nov 2023 06:22
throw this one in the Bugged Pile.
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By keoskey on 10 Nov 2023 04:28
After 2 hours, and a break, I finally popped it
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By tjw CENA2000 on 10 Nov 2023 13:08
Don’t work
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By Rkranl on 10 Nov 2023 16:18
popped later for me but guide was spot on. I cheated up the right side wall at the beginning and left around the jeep just before going up the stairs to kill the lady guard it got some looks but not enough to warrant an alarm.
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By Ssj Sean on 12 Nov 2023 23:13
Must be bugged as I've done this several times to the guide to no unlock.
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By SD Romulus on 29 Nov 2023 13:51
You have to restart if failed, do not load checkpoints
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By Seemil on 20 Dec 2023 17:54
Take out the guard in the office with a throwing knife and same for the major. I found it wasn’t unlocking due to them noticing me just before the takedown. It wasn’t triggering the base alarm but for this achievement, I think it was counting as being detected.
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By IRISH PSYCHO UK on 17 Feb 2024 12:30
I completed this 4/5 times with the handgun without it unlocking and then followed IRISH PSYCHO UK's method using the throwing knife and it worked first time. Lordacris' guide is great for the route.
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By Kekokekeko on 24 Feb 2024 12:20
i can confirm reloading checkpoints DO WORK
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By Akumarb26 on 04 Apr 2024 18:10
like what @IRISH PSYCHO UK said I was having issues in using the gun for this and instead used throwing knives and got it on my second try using them. So if you are having issues is to switch to throwing knives.
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By suicidebunny117 on 06 May 2024 19:06
My problem was i was trying to pop it from checkpoint lol, At start i holstered my weapon and went straight down the side of the hill, everything else in video is pretty much the same except while the woman is walking up the stairs in the building i went around the truck to follow behind the other soldier instead of infront of them.

Inside the building wait for the woman to be facing the boxes on the shelves and the RS jook her and she kinda falls into the wall. Then go crouch behind the door kinda facing the whiteboard and wait for the major to walk in before killing him (i knifed him) then pick up the card that drops near his feet as soon as it appears and blip
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By HoggyBear08 on 09 Nov 2023 14:22
View all 20 comments Show less comments
MW3 - Back in the Field
Acquire the Major's keycard in 'Deep Cover' within 90 seconds without being detected

Mission Deep Cover
This achievement requires you to stay in stealth & make it all the way to the private room with the Major to grab his keycard in 90 seconds or less (this time limit is not forgiving, I had about 4 seconds to spare on my run). At the mission start you must put your gun away & make sure not to sprinting or crouch near any enemies. Follow the main path towards the base of operations, and you'll have to make it into the container room near the middle. You can play out the mission to see where the Major goes & restart it if you want. Kill the enemy in the container then wait for the Major near the top of the stairs. Once he enters the room a few steps kill him & grab the keycard. If done quickly enough the achievement will unlock, if not restart the mission. Fallow my video below for the exact path & more information.

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06 Nov 2023 02:31

5 Comments
Just want to give my feedback, this route provided by FNHUSA57 did the trick for me. Followed every turn on this video. Like everyone has been saying, the timing window is very very tight. I did about 5 tries before the achievement finally popped.
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By SigmaVariant on 06 Nov 2023 19:01
Perfect. Worked for me first try.
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By SSmasterONE on 07 Nov 2023 15:27
Worked first time for me smile
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By SwiFTriX on 16 Nov 2023 01:42
Perfect route! Took three tries but once I figured out to stay a hair left of the guard shack so guard didn't alert, the achievement popped. Takes a few seconds after you pick up Key Card btw
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By Dragon Smack on 24 Nov 2023 01:53
Got it 2nd try
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By UBERS1LKROAD on 14 Dec 2023 15:34
View all 5 comments Show less comments
Mission: Deep Cover
Difficulty: Any (Recruit recommended)

This requires you to spawn and stay in stealth, make it all the way to the private room with the Major to grab his keycard in 90 seconds or less. Once you start you'll want to put your gun away and avoid sprinting or crouching near any "enemies". Follow the main path towards the base of operations, and you'll have to make it into the container near the middle. You can play out the mission to see where the Major goes and restart it if you'd like. Clear out the enemy in the container, and wait for the Major near the top of the stairs. Once he enters, take him out, grab the keycard, and if done quickly enough, the achievement unlocks. Otherwise restart the mission.
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02 Nov 2023 22:48

2 Comments
Perfect guide as always Maka
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By Meatware on 03 Nov 2023 11:24
Thanks @Maka91 for this
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By Rkranl on 10 Nov 2023 16:53
If you are having difficulties unlocking this despite following the video guides for it, read on.

This achievement is not buggy, it just seems like it is due to tight stealth and time requirements.

This is arguably the most difficult achievement in the game to get, on par with Veteran completion if not even harder.

Requirements:

-Keycard must be grabbed within 90 seconds
-You cannot be detected before swiping the keycard

If you are over time, no achievement. If you are under time but detected, no achievement.

Do not worry about running at the beginning of the mission, it makes no difference as the AI guards all have set patrol routes and you end up waiting for them to make their patrols so you can walk up the end stairs unhindered anyway.

What you want to do is walk up the stairs behind the female soldier before the major comes. Do not get detected (don't walk too close to her) and do not kill her. Let her go to the back corner. She will face the shelf (away) from you and not look over at you at all. No need to be concerned with her. If you are lucky, you will get a checkpoint inside this room. If you're slightly less lucky, you will get one outside on the stairs and have to walk behind her up into the room again every time you reload.

Now whilst you're in the room, crouch by the table facing the door and look at the door. Have your throwing knife ready. Wait for him to step into the room (not outside on the landing above the stairs) and throw your knife at him. Neither the woman inside at the back looking at the shelf, nor the guards outside will notice him die. After you throw your knife and he falls, hold the X button pre-emptively (do not wait to hold it until you see the keycard, throw your knife and instantly hold it as he's falling) now as you're holding it, look all over the ground and the moment you hover over the keycard it will instant swipe. This will save you a precious second or two as you're not waiting to hold X to interact with the card once you've found it, but are instead using the held down X swipe mechanic to grab it before you've even really seen it by looking around his corpse.

The game lets you swipe the keycard if you're just holding the X button as you come to look at it, you do not need to look at it and then hold it to pick it up - this makes picking it up easier and I believe this is what allowed me to finally get this annoying achievement.

Reloading checkpoints does not lock you out of this achievement - other people are saying it does, but I know for a fact it doesn't because I unlocked this after a failed attempt and reloading a checkpoint to try again. You do not need to restart the mission, this is just wasting your time - assuming you are under time and taking the route shown in the video guides without bumming around or otherwise running down the timer.

Good luck with this one, I know how annoying it was and how gratifying it was to see that 0.03% achievement pop after many failed attempts and believing this to be bugged. No other comments or guides mentioned the second or two you can shave off with the pre-emptive X button holding for the swiping, or the fact that checkpoints are allowed so I figured I'd write this in case my findings could help somebody else.
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21 Feb 2024 20:10

Load into the mission "Deep Cover", once you have control over the character, the timer starts. Quickly press cn_right to conceal your weapon and start walking at max speed down the road.

DO NOT SPRING, CROUCH, JUMP OR SLIDE!! That will blow your cover and fail the achievement

You will want to avoid making direct contact or eye contact with any of the enemies as that will also blow your cover.

Follow the truck to the intersection and take a right and an immediate left into the hanger. Cut through to the other side and head toward the guard station.

A guard will walk toward you but just steer left and avoid him altogether.

After passing the arm, take the immediate left and head into the hanger, proceed out the other door and to the left side of the jeep under the building by the stairs.

Circle around and follow the guard into the upstairs room. Once in the room, take out the guard with a takedown or headshot.

Wait for the Major to head up the stairs into the room that you are in and be ready to hit the headshot once he walks through the threshold of the door.

QUICKLY conceal your weapon and grab the keycard on the ground and the achievement should pop!

Don't reload from checkpoint as the timer won't reset -- make sure to restart the entire mission.

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04 Nov 2023 02:47

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04 Nov 2023 03:28