The first factory is killed
The second factory is killed
The third factory is killed
The fourth factory is killed
The fifth factory is killed
The last factory is killed
The first kill made with AGM-65
The first kill made with Hydra missiles
First kill made with guns
The first boat killed
First kill made with AIM-9 Sidewinder
First airborne enemy killed
First enemy air bomber killed
First scrambler killed
Kill all AA sites
Kill all gun sites
Killing civilians is not a great achievement
You ran out of fuel
Completed a daily challenge