There are a total of 117 Mission Intel available in Halo 5: Guardians, spread throughout the entire campaign. They can be seen as follows:
Mission 1: Osiris
[
0:07] - Unggoy Personal Log 005
[
0:30] - Jul’MDama’s Log
[
0:53] - Covenant Combat Orders 0283
[
1:27] - Halsey Research Notes 1/4
[
1:59] - Halsey Research Notes 2/4
[
2:32] - Halsey Research Notes 3/4
[
3:06] - Halsey Research Notes 4/4
Mission 2: Blue Team
[
0:07] - Argent Moon: Station Warning
[
0:26] - Log: 2557-3-17 1231 SMT 1/4
[
0:48] - Test Results: Asteroidea 59B
[
1:25] - Test Results: Asteroidea 61F
[
2:16] - Log: 2557-3-19 1653 SMT 2/4
[
2:40] - Test Results: Asteroidea 472A
[
2:57] - Log: 2557-3-19 1654 SMT 3/4
[
3:13] - Log: 2557-9-12 613 SMT 4/4
Mission 3: Glassed
[
0:07] - Evelyn Collins: Meridian Day 1
[
0:41] - The History of Meridian 2/6
[
1:06] - Evelyn Collins: Meridian Day 5
[
1:39] - The History of Meridian 1/6
[
2:07] - Evelyn Collins: Meridian Day 17
[
2:33] - Shipment Received 2558-8-11
Mission 4: Meridian Station
[
0:07] - Settler Personal Log, ID 0991
[
0:33] - Deglass Team Incident Report
[
1:01] - Excavation Team Personal Log
[
1:26] - Deglass Team Personal Log
[
1:43] - Laser Operator’s Personal Log
[
1:59] - Settler Personal Log, ID 4259
[
2:20] - Settler Personal Log, ID 6421
[
2:42] - Meridian: Speculative Overview
Mission 5: Unconfirmed
[
0:07] - The History of Meridian 3/6
[
0:25] - Message From Apogee Station 1/3
[
0:54] - Brill Operator’s Personal Log 2/2
[
1:20] - Brill Operator’s Personal Log 1/2
[
2:05] - Message From Apogee Station 2/3
[
2:36] - The History of Meridian 4/6
[
3:10] - Message From Apogee Station 3/3
Mission 6: Evacuation
[
0:07] - Offworld Message 1/3
[
0:38] - The History of Meridian 6/6
[
1:11] - The History of Meridian 5/6
[
1:41] - Offworld Message 3/3
[
2:06] - Offworld Message 2/3
[
2:53] - Public Update: Glass
Mission 7: Reunion
[
0:07] - Unggoy Personal Log 083 1/2
[
0:35] - Unggoy Personal Log 083 2/2
[
0:57] - UNSC Marine Status Update
[
1:24] - Forerunner Record: Search 4/5
[
1:46] - Forerunner Record: Search 1/5
[
2:16] - Forerunner Record: Search 2/5
[
2:36] - Forerunner Record: Search 3/5
Mission 8: Swords of Sanghelios
[
0:07] - Ceremonial Sword 3/6
[
0:35] - Patrol Log – Scout ‘Ghattan
[
1:05] - Ceremonial Sword 1/6
[
1:30] - Patrol Log – Scout ‘Thrun
[
1:56] - Patrol Log – Scout ‘Hakkat
[
2:28] - Patrol Log – Scout ‘Makesh
[
3:05] - Ceremonial Sword 2/6
[
3:40] - Sangheili Personal Log 503
[
4:05] - Kit Pitlimp’s Adventure Log 1/4
[
4:32] - Message to Kitun’Arach 1/2
[
4:57] - Message to Kitun’Arach 2/2
[
5:35] - Sangheili Person Log 139
Mission 9: Alliance
[
0:07] - Sangheili Personal Log 383
[
0:26] - Honorguard Personal Log 1/2
[
0:54] - Sangheili Medic’s Personal Log
[
1:18] - Camp Quartermaster Personal Log
[
1:53] - Sangheili Linguistics Report
[
2:16] - Sangheili Personal Log 673
[
3:02] - Do Not Open
[
3:21] - Dr. Halsey: Status
Mission 10: Enemy Lines
[
0:07] - Ceremonial Sword 4/6
[
0:32] – Message to Jacul'Arach 1/4
[
0:51] – Sangheili Personal Log 449
[
1:11] – Unggoy Personal Log 023
[
1:32] – Message to Jacul'Arach 2/4
[
1:52] – Sangheili Personal Log 061
[
2:21] – Dear Covenant Please Read
[
2:46] – Covenant Attack Plan
[
3:19] – Kit Pitlimp's Adventure Log 2/4
[
3:50] – Forerunner Record: Search 5/5
Mission 11: Before the Storm
[
0:07] – Honorguard Personal Log 2/2
[
0:32] – Attack Wing Jardam Cambat Report
[
1:06] – Sangheili Security Officer’s Log
[
1:32] – Unggoy Science Report
[
2:03] – Dr. Halsey: Status [Supplemental]
Mission 12: Battle of Sunaion
[
0:07] – Message to Jacul’Arach 3/4
[
0:27] – Chant of the Guardian
[
0:50] – Prayer of the Guardian
[
1:27] – Message to Jacul’Arach 4/4
[
1:57] – Kit Pitlump's Adventure Log 3/4
[
2:21] – Ceremonial Sword 5/6
[
2:41] – Sunaion Officer’s Personal Log
[
3:06] – Ceremonial Sword 6/6
Mission 13: Genesis
[
0:07] - Unggoy Personal Log 011
[
0:31] – Kit Pitlimp's Adventure Log 4/4
[
0:54] – Forerunner Record: Echoes 1/3
[
1:21] – UNSC Intel 1/3
[
1:43] – Forerunner Record: Echoes 2/3
[
2:13] – Forerunner Record: Echoes 3/3
[
2:43] – UNSC Intel 2/3
[
3:07] – Sangheili Personal Log 839
[
3:30] – UNSC Intel 3/3
[
3:59] – Forerunner Record: Threat 1/5
Mission 14: The Breaking
[
0:07] - Forerunner Record: Threat 5/5
[
0:23] – Forerunner Record: Alive 1/5
[
0:37] – Forerunner Record: Threat 2/5
[
0:55] – Forerunner Record: Threat 4/5
[
1:11] – Forerunner Record: Threat 4/5
Mission 15: Guardians
[
0:07] – Forerunner Record: Alive 2/5
[
0:24] – Forerunner Record: Alive 5/5
[
0:44] – Sangheili Personal Log 881
[
1:11] – Sangheili Personal Log 709 1/2
[
1:29] – Sangheili Personal Log 709 2/2
[
1:55] – UNSC Cockpit Recording
[
2:26] – Forerunner Record: Alive 3/5
[
2:52] – Forerunner Record: Alive 4/5
[
3:17] – UNSC Personal Log
[
3:48] – Sangheili Personal Log 977