Timothy "TJ" Creamer is a NASA flight director, retired astronaut and a colonel in the United States Army.

Michael James Foreman is a retired U.S. Navy pilot and a NASA astronaut. While with NASA, Foreman was part of a mission that delivered the Japanese Experiment Module and the Canadian Special Purpose Dexterous Manipulator to the International Space Station. Foreman was also a crewmember of the STS-129 mission in November 2009. In 2018, he was elected mayor of Friendswood, Texas.

Michael Edward Fossum is a former American astronaut and the Chief Operating Officer of Texas A&M University at Galveston. He flew into space on board the NASA Space Shuttle missions STS-121 and STS-124 and served as a mission specialist of Expedition 28 and commander of Expedition 29 aboard the International Space Station.

Stanley Glen Love, Ph.D. is an American scientist and a NASA astronaut from Oregon.

Leland Devon Melvin is an American engineer and a former NASA astronaut. He served on board the Space Shuttle Atlantis as a mission specialist on STS-122, and as mission specialist 1 on STS-129. Melvin was named the NASA Associate Administrator for Education in October 2010.

Barbara Radding Morgan is an American teacher and a former NASA astronaut. She participated in the Teacher in Space program as backup to Christa McAuliffe for the 1986 ill-fated STS-51-L mission of the Space Shuttle Challenger. She then trained as a Mission Specialist, and flew on STS-118 in August 2007.

John Daniel "Danny" Olivas is an American engineer and a former NASA astronaut. Olivas has flown on two space shuttle missions, STS-117 and STS-128. He performed EVAs on both missions, totaling 34hrs 28min. In 2013 Olivas joined the University of Texas at El Paso as Director of the Center for the Advancement of Space Safety and Mission Assurance Research (CASSMAR) and will oversee space initiatives on campus.

Nicholas James MacDonald Patrick, Ph.D. is a British-American engineer and a former NASA astronaut. His flight on the 2006 Discovery STS-116 mission made him the fourth person born in the United Kingdom to go into space.

Patricia Consolatrix Hilliard Robertson was an American physician and a NASA astronaut.

Steven Ray Swanson is an American Engineer and a retired NASA astronaut. He is married and has three children. He has received numerous awards and honors. These include the NASA Exceptional Achievement Medal and the JSC Certificate of Accommodation and many others. Prior to becoming a NASA astronaut, Swanson worked for GTE in Phoenix, Arizona, as a software engineer. Swanson has flown two shuttle flights, STS-117 and STS-119. He has logged over 4,700 hours in space and completed four spacewalks totaling 26 hours and 14 minutes. Swanson has also served in other roles at NASA, such as a CAPCOM for both International Space Station and Space Shuttle missions.

Douglas Harry "Wheels" Wheelock is an American engineer and astronaut. He has flown in space twice, logging 178 days on the Space Shuttle, International Space Station, and Russian Soyuz. On July 12, 2011, Wheelock announced that he would be returning to active duty with the United States Army in support of Operation Enduring Freedom.

Sunita Pandya Lyn Williams is an American astronaut and United States Navy officer of Indo-Slovenian descent. She formerly held the records for total spacewalks by a woman (seven) and most spacewalk time for a woman (50 hours, 40 minutes). Williams was assigned to the International Space Station as a member of Expedition 14 and Expedition 15. In 2012, she served as a flight engineer on Expedition 32 and then commander of Expedition 33.