George David "Zambo" Zamka (born June 29, 1962) is a former NASA astronaut and United States Marine Corps pilot with over 3500 flight hours in more than 30 different aircraft.

[6] Zamka graduated with a Bachelor of Science degree in mathematics from the United States Naval Academy in 1984.

He was assigned to VMA(AW)-242 at Marine Corps Air Station El Toro, California.

[7] In June 1998, Zamka was selected for the NASA astronaut program, and reported for training in August.

He served as lead for the Shuttle training and procedures division and as supervisor for the astronaut candidate class of 2004.

[9][10] In March 2008, Zamka visited Colombia's Planetarium of Bogotá with the crew of mission STS-120 to share their experience as NASA astronauts with 200 students, 50 teachers, and 20 science major experts.