Gases [ Return towards Space & Aeronautics (embarked systems)]

The oxygen tank of new-generation Ariane 5 launch vehicle is pressurized by a liquid helium subsystem designed and manufactured by AIR LIQUIDE.

Being dense and easily ionized and having a high propulsive capacity, xenon is the ideal gas for positioning satellites.

is used in their liquid states as ergols for the propulsion of the cryogenic stages of the Ariane rocket.