For storage and transportation of the tail gearbox of Sikorsky S-70 helicopter. – Sikorsky S-70i Helicopter. – Sikorsky S-70A Helicopter. – Sikorsky UH-60 Blackhawk. § Strong aluminum structure resistant to corrosion and sparks; § Hermetically sealed; § Easily stackable design; § Vibration absorption support to protect the unit; § Equipped with pressure gauge, over-pressure safety valve, and gas release valve; § Nitrogen and silica gel usage to keep internal volume dry for protecting the unit from corrosion; § Moisture indicator.