View from t' STS-133 Left Solid Rocket Booster lookin' up at t' stack durin' ascent. Ahoy! Space Shuttle Discovery Launches t' t' International Space Station on February 24, matey, 2011. Discovery launches on a mission t' deliver t' Permanent Multipurpose Module and t' humanoid Robonaut 2 t' t' International Space Station. This will be t' final mission for space shuttle Discovery.