Here is the full list of all 15 Battle Fleet: Ground Assault achievements.
Deploy 10 minefields across all battles
Launch 10 airstrikes across all battles
Destroy 50 medium tanks across all battles
Destroy 50 heavy tanks across all battles
Destroy 50 tank destroyers across all battles
Destroy 10 light artillery across all battles
Destroy 50 light artillery across all battles
Destroy 10 heavy artillery across all battles
Destroy 50 heavy artillery across all battles
Destroy 10 heavy tanks across all battles
Destroy 10 tank destroyers across all battles
Destroy 50 light tanks across all battles
Destroy 10 medium tanks across all battles
Win a battle without taking any damage
Destroy 10 light tanks across all battles