The MK-46SV(M) includes equipment pockets spe- cifically designed to carry essential survival accessories such as radio, H.E.E.D, flares, etc. The equipment pockets are installed via combination of snap and velcro fasteners permitting easy removal of any accessory. The flotation system consists of a dual cell (two independent chambers) bladder, constructed in accordance with MIL-C-83489, providing 52 pounds of buoyancy. The bladder is yoke style which will ensure that an unconscious aviator will float head up out of the water andwillalsoself-rightasurvivorafterinflation. Inflation is activated with a manual inflation system, utilizing 25 gram CO2 cylinders for each chamber. Backup oral inflation is provided for each chamber, as well. Note: Auto inflation is available as an option.