Assault
Completed the fourth mission of the Campaign.
30
Acquired 9/26/2007

The Road
Completed the third mission of the Campaign.
20
Acquired 9/26/2007

Used Car Salesman
Destroyed a vehicle that has three enemies in it in a ranked playlist or in campaign.
5
Acquired 9/26/2007

Holdout
Completed the second mission of the Campaign.
20
Acquired 9/26/2007

Graduate
Graduated from basic training. Stick with it to earn your Spartan Insignia.
10
Acquired 9/26/2007

Landfall
Completed the first mission of the Campaign.
20
Acquired 9/26/2007

Fear the Pink Mist
Killed 5 enemies with the needler in a ranked free for all playlist or in campaign.