Frederick Hamilton "Rick" Hauck is a retired Captain in the United States Navy, a former fighter pil...

Steven Alan Hawley is a former NASA astronaut who flew on five U.S. Space Shuttle flights. He is pro...

Susan Jane Helms is a retired lieutenant general in the United States Air Force and a former NASA as...

Karl Gordon Henize, Ph.D. was an American astronomer, space scientist, NASA astronaut, and professor...

Chief Warrant Officer 4 Thomas John Hennen is a United States Army warrant officer and NASA astronau...

Terence Thomas "Tom" Henricks is a retired colonel in the United States Air Force and a former NASA ...

Mirosław Hermaszewski is a retired Polish Air Force officer and cosmonaut. He became the first (and ...

José Moreno Hernández is an American engineer and former NASA astronaut. After three years and being...

John Bennett Herrington is a retired United States Naval Aviator and former NASA astronaut. In 2002...

Richard James Hieb is a former NASA astronaut and a veteran of three space shuttle missions. He was ...