Joan Elizabeth Higginbotham is an American engineer and a former NASA astronaut. She flew aboard Spa...

David Carl Hilmers is a former NASA astronaut. Hilmers was selected a NASA astronaut in July 1980, a...

Robert "Bob" Thomas Hines, Jr. is an American fighter pilot and NASA astronaut of the class of 2017....

Kathryn Patricia "Kay" Hire is a NASA astronaut and Captain in the U.S. Navy Reserve who has flown a...

Charles Owen "Scorch" Hobaugh is a former NASA astronaut and a retired U.S. Marine Corps officer. He...

Warren Woodrow "Woody" Hoburg is an American engineer and NASA astronaut of the class of 2017....

Jeffrey Alan Hoffman is an American former NASA astronaut and currently a professor of aeronautics a...

Donald Lee Holmquest (born April 7, 1939) is an American lawyer, as well as a physician, electrical ...

Scott Jay "Doc" Horowitz is a retired American astronaut and a veteran of four space shuttle mission...

Akihiko Hoshide is a Japanese engineer and JAXA astronaut. On August 30, 2012, Hoshide became the th...