A critical study of the above case study shows that the benefit of Lean Six Sigma in improving business processes is invaluable, given the amount of financial and environmental benefits recorded. The tools used by Robins AFB fits their improvement needs. Considering all the technical related lean improvements made by Robins AFB, there was no mention of training for employees involved. Training within industry (TWI) is a dynamic lean program of hands-on learning and practice for anyone who directs the work of
others.