US Military Surplus This is a model of helmet bag for general pilots of the US Air Force (USAF), known as the 3rd type, which does not have spring hooks. Features an aluminum zipper from a 1969 contract. There are no manufacturer markings on the slider, etc., and it operates lightly and smoothly. It's in super mint condition with only minor soiling and scratches, except for the Velcro of the name patch base being sewn on. No significant damage is seen considering its age. External dimensions: Approximately 48x45x5 (including pockets)