You have completed the first mission.

Campaign: find 15 collectable weapons

Campaign: finish Zero Dark Thirty

Campaign: destroy 1000 objects

Campaign: finish High Value Target

Campaign: finish Snowblind

Campaign: 50 kills with sniper rifles

Campaign: drive 5 km in any land vehicle

Campaign: destroy 100 objects

Complete 'Blood and Iron' on Veteran difficulty. (Solo only)

You killed a Rockstar in multiplayer.

Complete the mission in the airplane graveyard.