Place of Origin: California United States Brand Name: Duocel Foam
Aluminum foam
Aluminum foam is being used to provide environmental protection for thefirst stage rocket motors of submarine launched ballistic missiles. Truncated conical foam components are mounted in the throat of therocket motor nozzle and protect the solid propellant grain from theunderwater launch and seawater environments until the missile is abovethe ocean surface and is ready to ignite.
