STS-121 was a 2006 Space Shuttle mission to the International Space Station (ISS) flown by Space Shuttle Discovery on its 32nd flight.

2006年7月4日 · STS-121 was a 2006 NASA Space Shuttle mission to the International Space Station flown by Space Shuttle Discovery. These seven astronauts take a break from training to pose for the STS-121 crew portrait.

sts-121 是發現號太空梭的第三十二次太空飞行，也是自2003年哥伦比亚号失事后美国航天飞机的第二次太空飞行。主要工作是对改进后的航天飞机安全技术进行测试，为国际空间站送去重达2.8万多磅的各种设备和物资，机组人员为空间站进行了维修。

2020年3月27日 · The STS-121 (ISS ULF-1.1) test flight mission was originally to be flown aboard Atlantis in September 2005, after Space Shuttle Discovery flew STS-114, but a problem with the landing gear of Atlantis moved Discovery ahead to fly STS-121.

the STS‐121 mission. The flight to the International Space Station (ISS) also will deliver critical supplies and cargo to the complex for repair and future expansion of the outpost. The focus of the mission is to carry on analysis of safety improvements that debuted on the

STS-121是 发现号航天飞机 的第三十二次太空飞行，也是自2003年哥伦比亚号失事后 美国航天飞机 的第二次太空飞行。 主要工作是对改进后的航天飞机安全技术进行测试，为国际空间站送去重达2.8万多磅的各种设备和物资，机组人员为空间站进行了维修。 2006年 7月4日 ， 美国东部时间 下午2时38分，发现号航天飞机从 肯尼迪航天中心 升空。 7月6日 美国东部时间10时52分，发现号航天飞机与国际空间站成功对接。 对接期间完成了3次 太空行走 ，以维修国际空间站，并对 …

STS 121 is an American shuttle craft that was launched from Cape Canaveral at 18:38 UT on 04 July 2006, carrying seven astronauts to the International Space Station, ISS. It was the first flight after the fleet was grounded a year ago to make safety-related modifications to the external, cryogenic fuel tank.

2006年6月8日 · He also presents various slides of the STS-121 payload that includes: 1) Orbiter Docking System; 2) Integrated Cargo Carrier (ICC); 3) Multipurpose Logistics Module (MPLM); 4) TPS Sample Box Assembly; 5) Shuttle Remote Manipulator System (SRMS); and 6) Orbiter Boom Sensor System (OBSS).

随着“发现号”sts 121任务的成功返航，nasa宣布将新增3次sts紧急任务（sts lon，按需发射），以配合未来的sts任务，直至sts 120，并计划进行一次特殊任务sts 125，这是哈勃望远镜的最后一次服务任务。

2006年7月4日 · STS-121 was a 2006 NASA Space Shuttle mission to the International Space Station flown by Space Shuttle Discovery. The main purposes of the mission were to test new safety and repair...