Question: black ops 4 what is echelon?
Answer: Merits are used to level up through the Echelons (Ranks), from Echelon 1 to the max Echelon, which is level 80 in Blackout. As you move through the Echelons your title changes from Ranger (Echelon 1-19) to Frogman (Echelon 20-39), Airborne (Echelon 41-60), Seal (Echelon 61-79) and finally Battle Hardened (Echelon 80).