The DMSB-Staffel, founded in 1972 by Herbert Linge as ONS-Staffel, is considered the first mobile track marshalling crew, eqipped with fast cars like Porsche 914 or Porsche 911, carrying fire exstinguishers and doctors in order to arrive quickly at a crash site. Herbert Linge is a former German racing and rallying driver. ... The Porsche 914 was a sports car built and sold collaboratively by Volkswagen and Porsche from 1969 through 1975. ... Porsche 911 A 1973 Porsche 911 Carrera RS The Porsche 911 (pronounced as nine-eleven) is a sports car made by Porsche AG of Stuttgart, Germany. ...