Veteran astronaut Scott D. Altman will command the final space shuttle mission to Hubble. Navy Reserve Capt. Gregory C. Johnson will serve as pilot.

Mission specialists include veteran spacewalkers John M. Grunsfeld and Michael J. Massimino and first-time space fliers Andrew J. Feustel, Michael T. Good and K. Megan McArthur.

Altman, a native of Pekin, Ill., will be making his fourth space flight and his second trip to Hubble. He commanded the STS-109 Hubble servicing mission in 2002. He served as pilot of STS-90 in 1998 and STS-106 in 2000.

Johnson, a Seattle native and former Navy test pilot and NASA research pilot, was selected as an astronaut in 1998. He will be making his first space flight.

Chicago native Grunsfeld, an astronomer, will be making his third trip to Hubble and his fifth space flight. He performed a total of five spacewalks to service the telescope on STS-103 in 1999 and STS-109 in 2002. He also flew on STS-67 in 1995 and STS-81 in 1997.

Massimino, from Franklin Square, N.Y., will be making his second trip to Hubble and his second space flight. He performed two spacewalks to service the telescope during the STS-109 mission in 2002.

Feustel, Good, and McArthur were each selected as astronauts in 2000. Feustel, a native of Lake Orion, Mich., was an exploration geophysicist in the petroleum industry at the time of his selection by NASA.

Good is from Broadview Heights, Ohio, and is an Air Force colonel, weapons systems officer and graduate of the Air Force Test Pilot School, having logged more than 2,100 hours in 30 different types of aircraft. McArthur, born in Honolulu, Hawaii, considers California her home state. She has a doctorate in oceanography from the Scripps Institution of Oceanography, University of California-San Diego.