Photos courtesy NASA

Above: An astronaut stands beneath one of two new solar panels installed during Servicing Mission 3B (the fourth service visit, in March, 2002).

Middle: At the end of the SM3B mission, the shuttle crew released HST from the shuttle's cargo bay and snapped this picture of the newly refurbished telescope.

Bottom: SM3B payload commander, John Grunsfeld, gives the "thumbs-up" sign. He will return to Hubble as part of the SM4 servicing mission team.