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2002 2009
SM3B: SM4:
• Gyros
• Advanced Camera
1999 for Surveys (ACS) • Wide Field Camera 3
SM3A: • Solar Arrays • Cosmic Origins Spectrograph
• Batteries
• Gyros • Power Control Unit
• FGS • NICMOS Cooling • FGS
• Spacecraft Computer System • STIS/ACS Repairs
1997 • S-Band Transmitter • Soft Capture Mechanism
SM2: • SSR • Science Instrument Command
• Fine Guidance and Data Handling Unit
1993 Sensor (FGS)
SM1: • Space Telescope Imaging
• Wide Field and Spectograph (STIS)
Planetary Camera 2 • Near Infrared Camera
and Multi-Object
1990 • COSTAR Spectrometer (NICMOS)
• Gyros
Launch and deployment • Solar Arrays • Solid State Recorder (SSR)
• Magnetometers • Reaction Wheel Assembly

(Above) Following its launch, Hubble was repaired, maintained, and upgraded by astronauts five times over a period of 19 years. Hubble is now
more scientifically powerful than at any other point in its history. (Below) Pictured are the mission patches for the five Hubble servicing missions.

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