 Complete the following phrase:  William Bill Middleton Griggs AM ASM, began his medical career in 1976 as a volunteer paramedic while studying as a medical student. As a paramedic he attended his 100th fatal road crash prior to graduating as a doctor in 1981. Since then he has had a long involvement in the care of the injured and has been involved in caring for the victims of many multiple casualty events, including structure collapses, bombings, bus, train and aircraft crashes. He has completed many hundreds of aeromedical retrievals, including a number of maritime helicopter winch rescues. He has also been deployed, as either a Royal Australian Air Force specialist reservist or as a civilian, to manage evacuations and tend to victims in a number of disasters, including both the 2002 and 2005 