Lucky Me

Earned a Triple Kill while Jetpacking in Campaign, Firefight or Matchmaking.

Game, Set, Match

Completed a Firefight set on Legendary without dying.

Firestarter

Scored 50,000 points in a Firefight game.

Crowd Control

Earned a Killionaire medal in Firefight.

A Spoonful of Blamite

Killed 10 enemies in Firefight or Campaign with a supercombine explosion.

This is Not Your Grave...

Completed the 9th mission on Normal or harder.

Dust and Echoes

Completed the 8th mission on Normal or harder.

I Didn't Train to Be a Pilot

Killed 3 of the anti-aircraft batteries during the 8th mission.

Into the Howling Dark

Completed the 7th mission on Normal or harder.

That's a Knife

Performed an Assassination on an enemy.

You Flew Pretty Good

Completed the 6th mission on Normal or harder.

To War

Completed the 5th mission on Normal or harder.

I Need a Weapon

Completed the 4th mission on Normal or harder.

Swap Meet

Traded weapons with an AI ally in Campaign.

The Start of Something

Reached the rank of Corporal in the UNSC.

Protocol Dictates Action

Completed the 3rd mission on Normal or harder.

We're Just Getting Started

Completed the 2nd mission on Normal or harder.

An Elegant Weapon...

Killed 10 enemies in a Firefight or Campaign session with the DMR.

Doctor, Doctor

Used a Health Pack to replenish life after taking body damage.

Make it Drizzle

Purchased an item from the Armory.

Send Me Out... with a Bang

Completed the 10th mission on Normal or harder.

The Soldier We Needed You To Be

Completed the Campaign on Normal difficulty.