Return to Sender

Defiant: Returned two flags in a matchmade CTF game.

Be My Wingman, Anytime

Let a teammate spawn on you 5 times in an Invasion Matchmaking game.

Cool File, Bro

Recommended a file to someone.

Banshees, Fast and Low

Hijacked a Banshee during the Reach Campaign.

Two Corpses in One Grave

Killed 2 vehicles at once with the Target Locator during the 3rd mission.

They've Always Been Faster

Cleared the 2nd mission without setting foot in a drivable vehicle.

KEEP IT CLEAN

Killed 7 Moa during the 2nd mission of the Campaign.

A Monument to All Your Sins

Completed every mission in Halo: Reach alone, on Legendary.

Tank Beats Everything

Finished the 9th mission on Legendary with the Scorpion intact.

If They Came to Hear Me Beg

Performed an Assassination against an Elite to survive a fall that would've been fatal.

I Didn't Train to Be a Pilot

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

To War

Completed the 5th mission on Normal or harder.

Gods Must Be Strong

Completed the Campaign on Legendary difficulty.

Folks Need Heroes...

Completed the Campaign on Heroic difficulty.

The Soldier We Needed You To Be

Completed the Campaign on Normal difficulty.

Your Heresy Will Stay Your Feet

Killed the Elite Zealot before he escaped during the 5th mission.

A Spoonful of Blamite

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

Crowd Control

Earned a Killionaire medal in Firefight.

Heat in the Pipe

Scored 1,000,000 points in a Firefight game.

Game, Set, Match

Completed a Firefight set on Legendary without dying.

Blaze of Glory

Scored 200,000 points in a Firefight game.

Firestarter

Scored 50,000 points in a Firefight game.

Make It Rain

Purchased an item from the Armory that required the rank of Lt. Colonel.

Skunked!

Won a game of Invasion in the 1st phase.

Knife to a Gunfight

As an Elite, killed 5 Spartan players in Matchmaking.

Lucky Me

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

One Down, 51 to Go

Completed a Weekly Challenge.

A Storage Solution

Used the File Browser to upload a file to your File Share.

Send Me Out... with a Bang

Completed the 10th mission on Normal or harder.

This is Not Your Grave...

Completed the 9th mission on Normal or harder.

Dust and Echoes

Completed the 8th mission on Normal or harder.

Into the Howling Dark

Completed the 7th mission on Normal or harder.

Swap Meet

Traded weapons with an AI ally in Campaign.

You Flew Pretty Good

Completed the 6th mission on Normal or harder.

Wake Up, Buttercup

Destroyed the Corvette's engines & escort in under 3 minutes in the 6th mission on Heroic or harder.

An Honor Serving

Reached the rank of Captain in the UNSC.

I Need a Weapon

Completed the 4th mission on Normal or harder.

I See You Favor a .45

Killed 10 enemies in a Firefight or Campaign session with the M6G pistol.

Score Attack

Scored 15,000 points in Score Attack Firefight Matchmaking.

A New Challenger

Completed all of the Daily Challenges in a given day.

That's a Knife

Performed an Assassination on an enemy.

Lemme Upgrade Ya

Advanced a Commendation to a Silver state.

Protocol Dictates Action

Completed the 3rd mission on Normal or harder.

An Elegant Weapon...

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

We're Just Getting Started

Completed the 2nd mission on Normal or harder.

Doctor, Doctor

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

The Start of Something

Reached the rank of Corporal in the UNSC.

What's a Killing Spree?

Earned a Killing Spree in multiplayer Matchmaking.

Make it Drizzle

Purchased an item from the Armory.

Yes, Sensei

Earned a First Strike Medal in a Matchmaking game.