This is especially true for Support . Once your artillery fires, the enemy will see the "streaks" and likely counter-battery you. Fire and move immediately.
In team play, you must pick a specialty. Each has a specific responsibility: World.in.Conflict.Complete.Edition.v1.0.1.1.par...
Every unit has a special ability (e.g., Smoke Screen for tanks, Sprint for infantry). Use these constantly; they are on short cooldowns and often save your units. This is especially true for Support