Space Shuttle Solid Rocket Booster

The Space Shuttle Solid Rocket Booster (SRB) was the first solid-propellant rocket to be used for primary propulsion on a vehicle used for human spaceflight. The two SRBs provided 85% of the Space Shuttle's thrust at liftoff and for the first two minutes of ascent.

Source: Wikipedia — Space Shuttle Solid Rocket Booster (CC BY-SA 4.0)