Warhammer 40,000: Space Marine 2

Hello everyone.
Here is a guide showing you the Locations of all 35 Dataslate Locations
There's a total of 23 in the campaign and 12 in Operation missions which unlock as you keep advancing through the story also the game has a missions select so if you miss one you can always go back and clean it up here's a link for the video with time stamps

Skyfire - Mission
0:01 Dataslate - 1
0:30 Dataslate - 2
0:48 Dataslate - 3
1:16 Dataslate - 4

Severance - Mission
1:52 Dataslate - 5
2:31 Dataslate - 6
2:58 Dataslate - 7
3:53 Dataslate - 8

Machinus Divinitus - Mission
4:06 Dataslate - 9
4:36 Dataslate - 10
5:22 Dataslate - 11

Servant of the Machine - Mission
5:43 Dataslate - 12
6:09 Dataslate - 13

Voidsong - Mission
6:34 Dataslate - 14
6:59 Dataslate - 15
7:28 Dataslate - 16

Dawn's Descent - Mission
7:48 Dataslate - 17
8:15 Dataslate - 18
8:43 Dataslate - 19
9:08 Dataslate - 20

Bellum Sempiternos - Mission
9:40 Dataslate - 21
10:09 Dataslate - 22
10:33 Dataslate - 23

Inferno - Operation
11:03 Dataslate - 24
11:35 Dataslate - 25

Decapitation - Operation
11:46 Dataslate - 26
12:19 Dataslate - 27

Vox Liberatus - Operation
12:30 Dataslate - 28
12:48 Dataslate - 29

Reliquary - Operation
12:59 Dataslate - 30
13:18 Dataslate - 31

Fall of Atreus - Operation
13:38 Dataslate - 32
14:21 Dataslate - 33

Ballistic Engine - Operation
14:54 Dataslate - 34
15:17 Dataslate - 35

There are a total of 35 dataslates available in Warhammer 40,000: Space Marine II as follows:

• 23 Dataslates in 7 Campaign Missions

• 12 Dataslates in 6 Operations

At any point, while at the Battle Barge, press back and access the Dataslate Repository which will show you all the available dataslates based on planet and mission. You can use this list as well as the names to figure out exactly what you're missing.
Skyfire:
0:00 - 1
0:45 - 2
1:18 - 3
1:46 - 4
Severance:
2:16 - 5
2:45 - 6
3:19 - 7
4:03 - 8
Machinus Divinitus:
4:34 - 9
5:02 - 10
5:37 - 11
Servant of the Machine:
6:00 - 12
6:21 - 13
Voidsong:
6:40 - 14
7:05 - 15
7:30 - 16
Dawn’s Descent:
7:51 - 17
8:17 - 18
8:41 - 19
9:04 - 20
Bellum Sempiternus:
9:23 - 21
9:45 - 22
10:06 - 23

Operation Inferno:
10:30 - 24
10:58 - 25
Operation Decapitation:
11:26 - 26
11:58 - 27
Operation Vox Liberatis:
12:25 - 28
12:56 - 29
Operation Reliquary:
13:17 - 30
13:39 - 31
Operation Fall of Atreus:
14:04 - 32
14:24 - 33
Operation Ballistic Engine:
15:03 - 34
15:19 - 35