Bion and Rickman were in charge of the training and rehabilitation wing of Northfield, and ran the unit along the principles of group dynamics. Their aim was to improve morale by creating a "good group spirit" (esprit de corps). Though he sounded like a traditional army officer Bion's means were very unconventional.
At Northfield, Bion and Rickman led the training and rehabilitation department using principles of group interaction to improve morale and create a cohesive unit (esprit de corps). Although Bion appeared traditional, his methods were actually innovative.