Wake Up, Buttercup

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

Two Corpses in One Grave

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

Make It Rain

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

One Down, 51 to Go

Completed a Weekly Challenge.

An Honor Serving

Reached the rank of Captain in the UNSC.

Send Me Out... with a Bang

Completed the 10th mission on Normal or harder.

A Monument to All Your Sins

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

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.

This is Not Your Grave...

Completed the 9th mission on Normal or harder.

Tank Beats Everything

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

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.

Lemme Upgrade Ya

Advanced a Commendation to a Silver state.

You Flew Pretty Good

Completed the 6th mission on Normal or harder.

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 New Challenger

Completed all of the Daily Challenges in a given day.

Heat in the Pipe

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

Game, Set, Match

Completed a Firefight set on Legendary without dying.

Bounty Hunter

Anniversary: Captured 10 skulls at once in a matchmade Headhunter game.

You Ate All the Chips

Noble 1: Your team collected all of the flags in a matchmade Stockpile game.

Stick it to the Man!

Anniversary: Killed the flag carrier with a Plasma Grenade in a matchmade game.

From Hell's Heart

Anniversary: Killed an enemy with their own grenade that was stuck to you in a matchmade game.

Don't Touch That!

Defiant: Prevented the attacking team from touching the flag in a matchmade 1-Flag CTF game.

Totally Worth It

Noble 1: Earned a Double Kill from the Grave in multiplayer Matchmaking.

Emergency Room

Anniversary: Infected 3 players in a single round in a matchmade Infection game.

All Alone

Defiant: Was the last surviving uninfected player in a matchmade Infection game.

Cross-Mappin'

Noble 1: Killed a player at long range with the DMR in a matchmade Slayer game.

Paper Beats Rock

Defiant: Assassinated a player that just exited Armor-Lock in a matchmade game.

Offensive Driver

Noble 1: Earned a kill in a matchmade Rocket Race game.

You Blew It Up!

Noble 1: Your team blew up the research facility in a matchmade Invasion game on Breakpoint.

Dive Bomber

Anniversary: Performed a Beat Down on an enemy while using the Jetpack during a matchmade game.

Top Shot

Anniversary: Earned 3 headshots in a row in a matchmade game.

Poppin' & Lockin'

Noble 1: Destroyed a vehicle using Armor Lock in a matchmade game.

License to Kill

Anniversary: Ran over 5 people with a vehicle in a matchmade game.

Yes, Sensei

Earned a First Strike Medal in a Matchmaking game.

Crackin' Skulls

Defiant: Killed 3 players with the Oddball in a matchmade Oddball game.

Candy from a Baby

Defiant: Captured two flags from an enemy capture zone in a matchmade Stockpile game.

Return to Sender

Defiant: Returned two flags in a matchmade CTF game.

A Spoonful of Blamite

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

Lucky Me

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

Crowd Control

Earned a Killionaire medal in Firefight.

Score Attack

Scored 15,000 points in Score Attack Firefight Matchmaking.

Skunked!

Won a game of Invasion in the 1st phase.

Be My Wingman, Anytime

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

Blaze of Glory

Scored 200,000 points in a Firefight game.

Firestarter

Scored 50,000 points in a Firefight game.

A Storage Solution

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

Cool File, Bro

Recommended a file to someone.

Your Heresy Will Stay Your Feet

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

I Need a Weapon

Completed the 4th mission on Normal or harder.

That's a Knife

Performed an Assassination on an enemy.

Protocol Dictates Action

Completed the 3rd mission on Normal or harder.

Doctor, Doctor

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

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.

Swap Meet

Traded weapons with an AI ally in Campaign.

I See You Favor a .45

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

Make it Drizzle

Purchased an item from the Armory.

Knife to a Gunfight

As an Elite, killed 5 Spartan players in Matchmaking.

The Start of Something

Reached the rank of Corporal in the UNSC.

What's a Killing Spree?

Earned a Killing Spree in multiplayer Matchmaking.

Both Barrels

Noble 1: Earned a Double Kill with the shotgun in multiplayer Matchmaking.

To War

Completed the 5th mission on Normal or harder.

If They Came to Hear Me Beg

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

Banshees, Fast and Low

Hijacked a Banshee during the Reach Campaign.