This guide shows the location of all the 18 collectibles (5 Spartan Cores, 5 Spartan Audio Log, 3 Banished Audio Log, 1 Mjolnir Locker, 4 Propaganda Towers) in Pelican Down in Halo Infinite campaign.
Also Read: Halo Infinite Collectibles Guide
1) Banished Audio Log 1/3
It is inside the small room southeast of the western Gun battery as shown in the picture below. Inside you will find it sitting on top of a table.
2) Mjolnir Armor Locker 1/1
The Mjolnir Armory is at the location marked below.
3) Spartan Core 1/5
It is at the location marked below.
4) Spartan Audio Log 1/5
This one is inside a destroyed steel structure south of Pelican Down marker as shown in the picture below.
5) Spartan Core 2/5
This one is east of the Pelican Down marker as shown below.
6) Spartan Audio Log 2/5
Grapple to the top of the steel structure on the west of Pelican Down marker as shown below. Then go through the door, where you will find the audio log as shown in the third picture below.
7) Spartan Audio Log 3/5
It is east of the Pelican Down marker at the location as shown in the pictures below.
8) Banished Audio Log 2/3
It is inside a small room south of the eastern Gun battery as shown in the picture below.
9) Spartan Core 3/5
This one is inside a small cave near the eastern Gun Battery as shown below.
10) Propaganda Tower 1/4
Propaganda Tower is near the eastern Gun Battery as shown below. You will have to destroy it.
11) Spartan Audio Log 4/5
East of the Propaganda Tower, you will see a small cave in the mountain wall as shown below. Jump up the cave to reach a destroyed aircraft. You will find the audio log inside the destroyed aircraft.
12) Banished Audio Log 3/3
It is inside a small room south of the northern Gun battery as shown in the picture below.
13) Spartan Core 4/5
It is inside a small room on the north side of the northern Gun battery as shown in the picture below.
14) Spartan Core 5/5
This one is at the southwest side of the northern Gun battery as shown in the pictures below.
15) Propaganda Tower 2/4
This Propaganda Tower is on the west side of the northern Gun Battery as shown below. You will have to destroy it.
16) Spartan Audio Log 5/5
It is on top of a mountain south of Propaganda Tower as shown in the picture below.
17) Propaganda Tower 3/4
This Propaganda Tower is at the location marked in the picture below. You will have to destroy it.
18) Propaganda Tower 4/4
This Propaganda Tower is at the location marked in the picture below. You will have to destroy it.