the J stands for Jumper as in Air Force Pararescue Jumper. The term Pararescue Jumper is a retronym of the initials 'PJ' that were used on an Air Force Form 5 (Aircrew Flight Log) to identify anyone who is onboard in order to jump from the aircraft..Source(s): http://en.wikipedia.org/wiki/United_Stat...he J stands for Jumper as in Air Force Pararescue Jumper. The term Pararescue Jumper is a retronym of the initials 'PJ' that were used on an Air Force Form 5 (Aircrew Flight Log) to identify anyone who is onboard in order to jump from the aircraft..
Virologists are microbiologists who study microorganisms that quickly duplicate, resulting in the rapid spreading of viruses. Their primary work is to figure out how diseases like AIDS, SARS and hepatitis spread, in order to prevent more rampant development and to assist in vaccine development.
An agrologist is responsible for providing service and advice to services related to environmental and agricultural science. They also apply scientific principles to production, cultivation, and utilization of plants and animals. In basic terms, an agrologistâs job is to ensure that Canadaâs grown food and the land it is grown on is well cared for. A professional agrologist can work in a number of agricultural-related fields. They can work in research as scientists, in education as professors, as lab technologists, consultants, and salespeople.