Listened to all of the death letters of the fallen.

Kill 15 enemies with a zero G grappling hook.

Kill Kotch before his speech ends.

Complete Operation Dark Quarry.

Find a Treasure

Complete Operation Phoenix.

Complete Operation Taken Dagger.

Complete Operation Safe Harbor.

Load out with a custom weapon.

Earn your first Jackal item (weapon or upgrade).

Use the computer in the Captain's office.

Complete Operation Port Armor.

Kick open a door, peek open a door, and throw a grenade while peeking a door.