Below is a guide on all of the collectibles you can find during the Halo Infinite mission called Pelican Down.
Spartan Audio Log #1
This log is located in a crashed ship in the center of the region not far from where you crash landed.
Spartan Core #1
This core is located in the north central part of the area on a raised section of the broken ship.
Spartan Core #2
This core is located in the building north of the northern Gun Battery.
Spartan Core #3
This core is located in the ridge southwest of the northern Gun Battery.
Propaganda Tower #1
This tower can be found in the ridge southwest of the northern Gun Battery.
Spartan Audio Log #2: Retaliation
This log is located at the top of the ridge southwest of the northern Gun Battery.
Propaganda Tower #2
This tower is located in the mountains north of the western Gun Battery.
Banished Audio Log #1: Escharum’s Testimony
This log is located in a building south of the western Gun Battery on a table.
Mjolnir Armory – Warmaster’s Prize Battle Rifle Coating
This armory is located near the western Gun Battery near a storage container.
Banished Audio Log #2: Escharum’s Testimony
This log is located in a building south of the northern Gun Battery near the giant elevator.
Spartan Audio Log #3: Retaliation
This log is located in a broken section of the ship north of where you started in the area by the downed Pelican.
Propaganda Tower #3
This tower is located in a wooded area at the south central part of the map.
Spartan Audio Log #4: Retaliation
This log is located in a side panel of the broken section of ship on the southeastern part of the area.
Propaganda Tower #4
This tower is located just west of the eastern Gun Battery.
Spartan Core #4
This core is located in a tunnel under the eastern Gun Battery.
Spartan Audio Log #5: Retaliation
This log is located in a downed Pelican slightly north of the eastern Gun Battery.
Banished Audio Log #3: Escharum’s Testimony
This log is located in a building south of the eastern Gun Battery.
Spartan Core #5
This core is located in the southwestern corner of the area near the elevator.