Later Life After Neil Armstrong finished his Apollo 11 adventure he became the Deputy Associate Administrator for Aeuronautics, but he only held his position for 1 year, and then he resigned from NASA. Neil did some voice over work in cartoons such as "Quantum Quest: A Cassini Space Odyssey". Armstrong underwent bypass surgery to relive blocked coronary arteries, but there were some complications. He died August 25, 2012 and went down as one of the biggest American heroes in history.