JSC2001-01889 (22 June 2001) --- Astronaut Michael J. Massimino, STS-109 mission specialist, dons a training version of the full-pressure launch and entry suit prior to a training session in one of the trainer/mockups (out of frame) in the Space Vehicle Mockup Facility at the Johnson Space Center (JSC). Massimino is assisted by United Space Alliance (USA) suit technician Lloyd Armintor. STS-109 will be the 108th shuttle flight and the fourth Hubble Space Telescope (HST) servicing mission.