Aerojet brings more than 30 years of expertise in solid propellant and hybrid (solid plus gas or liquid) fire extinguishers. Aerojet's fire extinguishers were originally developed for, and are currently in production for, several of the U.S. military's most advanced aircraft. Aerojet continues to develop lightweight, non-toxic, environmentally safe fire protection systems for application that include aircraft dry bays, aircraft engine nacelles, marine applications, ground vehicle engine, underbody and crew compartments and various industrial needs.