US Patent 7614456 Fire retardant delivery system for fighting wild fires

A flexible, frangible bladder for the receipt of water and/or fire retardant, the bladder of sufficient size to contain a sufficient amount of such water and/or fire retardant, the bladder being positionable in a retaining member positioned on an aircraft, the retaining member selectively moveable so as to release the bladder onto a desired location in a wild fire, the bladder bursting upon impact, and spreading the water and/or fire retardant.