Here is the full list of all 12 LUFTRAUSERS achievements.
Pilot all 125 Rauser combinations
Beat all missions and launch the [CLASSIFIED]
Defeat a Laser Ace
Become a feared level 10 rauser pilot
Sink an Acemarine
Unlock all parts
Destroy a Submarine
Survive SFMT long enough to hear the end of the air alarm
Take down a Blimp
Sink a Battleship
Outsmart an Ace
Unlock a part