If you are forward of your position, the artillery will be short. The enemy diversion you are ignoring is the main attack. The important things are always simple. The simple things are always hard. If you're short of everything except the enemy, you're in combat.
Incoming fire has the right of way.
No combat-ready unit was ever passed inspection. No inspection-ready unit has ever passed combat. Teamwork is essential. It gives them other people to shoot at. If the enemy is in range, so are you.