Original sentence: An AWE driver is accompanied by an SEG officer as Close Escort.The TCHDs, or Truck Cargo Heavy Duty  vehicles which carry the nuclear weapons.We normally run with three but we are capable of having five on the road at one time
Edited sentence: Each AWE driver is accompanied by an armed SEG officer as close escort.The TCHDs, or Truck Cargo Heavy Duty vehicles which carry the nuclear weapons.There are up to five in a convoy