and completed training as a pilot. Ferguson was the deputy chief of the astronaut office prior to his selection to the STS-135 crew and served as CAPCOM for the STS-118, STS-128, and STS-129 missions. STS-115 Ferguson made his first space flight as pilot of STS-115 in 2006. The mission delivered the second port-side truss segment (ITS P3/P4), a pair of solar arrays (2A and 4A), and batteries to the International Space Station. A total of three spacewalks were performed, during which the crew connected the systems on the installed trusses, prepared them for deployment, and did other maintenance work on the station. He returned to Earth after over 11 days on orbit. STS-126 Ferguson returned to space for the second time, as commander of STS-126 in 2008. The purpose of the mission, referred to as ULF2 by the ISS program, was to deliver equipment and supplies to the station, to service the Solar Alpha Rotary Joints (SARJ), and repair the problem in the starboard SARJ that had limited its use since STS-120. He returned to Earth after almost 16 days on orbit. STS-135 Ferguson made his third and last flight as a NASA astronaut, Commanding STS-135, the final mission of the Space Shuttle. The mission's primary cargo was the Multi-Purpose Logistics Module (MPLM) Raffaello and a Lightweight Multi-Purpose Carrier (LMC), which were delivered to the International Space Station (ISS). The flight of Raffaello marked the only time that Atlantis carried an MPLM. He returned to Earth after 12 days in space. Post-NASA career Ferguson retired from NASA in 2011. He currently works for Boeing as director of Crew and Mission Operations for Boeing's Commercial Crew Program. Ferguson was elected to the Astronaut Hall of Fame in January 2022. Boe-CFT In July 2018, Boeing announced his assignment to the first human CST-100 orbital test known as Boe-CFT. Ferguson was slated to be the capsule commander, with 2 other NASA astronauts. It was scheduled to launch in 2021. In October 2020 he announced on his personal Twitter that he was stepping down as the commander and will not fly on CFT, for personal reasons. Personal life Ferguson, who is of Scottish and Polish descent, is married to Sandra and has three children. When he was in space for his wedding anniversary, NASA played the Frankie Valli song "Can't Take My Eyes Off You" as the wake-up music that morning, after which Ferguson