  sts-115 was a space shuttle mission to the international space station (iss) flown by space shuttle  atlantis. it was the first assembly mission to the iss after the columbia disaster, following the two successful return to flight missions, sts-114 and sts-121. sts-115 launched from pad 39-b at the kennedy space center on 9 september 2006 at 11:14:55 edt (15:14:55 utc). the mission is also referred to as iss-12a by the iss program. the mission d
Space_Shuttle_missions Spacecraft_launched_in_2006 Spacecraft_which_reentered_in_2006