Here is the full list of all 39 Graviteam Tactics: Mius-Front achievements.
Eliminated 50 enemy soldiers
Awarded to unit commanders for achieving major success during combat operation
Got to statistics
Perform all tasks
Eliminated 100 enemy soldiers
Destroyed 10 enemy armored vehicles
Destroyed 25 enemy armored vehicles
Captured 10 enemy soldiers
Captured 20 enemy soldiers
Captured 3 vehicles
Captured 10 vehicles
Eliminated 10 enemy soldiers with single squad or vehicle
Eliminated 20 enemy soldiers with single squad or vehicle
Eliminated 50 enemy soldiers with single squad or vehicle
Destroyed 3 armored vehicles with single squad or vehicle
Destroyed 5 armored vehicles with single squad or vehicle
Destroyed 2 armored vehicles with single infantry squad
Destroyed 4 armored vehicles with single infantry squad
Called airstrike
Called 2 airstrikes
Called 2 artillery strikes
Single squad or vehicle got 5 medals
Single squad or vehicle got 10 medals
Got 15 medals in a single battle
Got the highest award
Won a battle with one last soldier
Eliminated all enemy soldiers
Won a battle with no casualties
Won a battle with 3 to 1 kill ratio
Won a battle with 5 to 1 kill ratio
Captured all flags in a tactical battle
Destroyed the entire enemy force in the operational phase
Destroyed the key enemy unit
Completed all tasks of the operation
Awarded to commanders for outstanding achievements in the management of troops
Awarded for bravery in battle or achievements in the management of troops
Awarded to soldiers for deeds that occurred outside of battlefield
Created quick battle
Trained in staff work