There are six levels, or charts, with progressively harder variations of each exercise.
Chart 6 requires clapping push-ups, for example, where Chart 1 just had knee pushups.
The Fighter Pilot Fitness Program| Runner’s World
Get in Shape With This 11-Minute Fighter Pilots' Workout
It may be Canada's best-kept exercise secret: an 11-minute, no-equipment workout program designed to keep pilots and other Air Force members in top sh
