inertial upper stage
The inertial upper stage (IUS) is a two-stage solid-rocket motor used to boost heavy satellites out of low Earth orbit into a higher orbit. It can be used in conjunction with both the Space Shuttle and Titan.
The inertial upper stage (IUS) is a two-stage solid-rocket motor used to boost heavy satellites out of low Earth orbit into a higher orbit. It can be used in conjunction with both the Space Shuttle and Titan.
