Behind greens aerification, there is probably nothing that the golf course superintendent does that upsets the golfing public more than the early-morning call to the pro shop with the dreaded words  FROST DELAY. Most golfers don't have a very good understanding of why frozen or frosted turf can't be played on.
The Incident Commander (IC) or the Unified Command (UC) is responsible for all aspects of the response, including developing incident objectives and managing all incident operations. The IC is faced with many responsibilities when he/she arrives on scene.
Patients in emergency rooms often suffer serious trauma from accidents or acts of violence. These patients might require the care of a trauma surgeon, the other kind of doctor found in emergency rooms. Like emergency physicians, trauma surgeons must quickly recognize a patient's injuries and treat them, correcting the primary injury and limiting any secondary damage.