The three degrees of Mayday is a concept where the incident commander summons and assembles a RIT based on the size and complexity of the event that is endangering the firefighters. If we take this information and are always prepared to summon more RIT personnel and companies, along with EMS resources, rescue companies, and other special equipment and units, then we can quickly get a rescue operation (RIT) of sufficient size and training to handle the Mayday situation, regardless of the conditions.