Sabotage a dreadnought.

Evacuate a scientific facility.

Kill 10 guardians with headshots from the front while their shields are raised.

Stop a Cerberus kidnapping.

Obtain two non-customizable suits of armor.

Defeat a Harvester.

Set 100 enemies on fire with powers.

Kill 250 enemies.

Kill a brute while it's charging you.

Visit a store in the single-player campaign.

Return to active duty.

Unlock every member of Team SSX through World Tour (or purchase in Explore or Global Events)