The V-G Diagram is a relatively unfamiliar diagram to most non-military pilots. However, it's full understanding and practical implication is absolutely critical to upset recovery and stall/spin training techniques. In the video clip below, Clarke "Otter" McNeace, discusses this diagram's value to a comprehensive upset recovery training program.
Clarke "Otter" McNeace, VP Flight Operations
Part 141 Assistant Chief Flight Instructor - CFI/CFII/MEI/AGI/CFI-A