STS-133 is scheduled to be an 11-day mission to the International Space Station to ship supplies to the crew, as well as additional components for the orbital outpost's construction, including the Permanent Multipurpose Module and the third of four ExPRESS Logistics Carriers.
STS-133は、恒久型多目的モジュールと４つのエクスプレス補給キャリアのうちの３つを含む軌道前哨地の建設だけでなく、乗組員に支給物を送る国際宇宙ステーションへの１１日間のミッションの予定だ。