S125-E-007803 (15 May 2009) --- Judging by his countenance, astronaut Michael Good onboard the Space Shuttle Atlantis is enjoying his first experience not only in space but in participating in a very important space walk, as well. The mission specialist is lacking the gloves, helmet and outer torso part of the extravehicular mobility unit space suit, but he is wearing the pants portion. Astronauts Good and Mike Massimino successfully completed the second of five scheduled sessions of extravehicular activity for this crew.