George David "Zambo" Zamka is an American NASA astronaut and United States Marine Corps pilot with o...

Clayton Conrad Anderson is a retired NASA astronaut. Launched on STS-117, he replaced Sunita William...

Tracy Caldwell Dyson is an American chemist and NASA astronaut. Caldwell Dyson was a Mission Special...

Gregory Errol Chamitoff is an engineer and NASA astronaut. He was assigned to Expedition 17 and flew...

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

Michael James Foreman is a retired U.S. Navy pilot and a NASA astronaut. While with NASA, Foreman wa...

Michael Edward Fossum is a former American astronaut and the Chief Operating Officer of Texas A&M Un...

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 Spac...

Barbara Radding Morgan is an American teacher and a former NASA astronaut. She participated in the T...