NASA astronaut and former U.S. Air Force Col. Bob Behnken is retiring from NASA after 22 years of service. His last day with the agency is Friday, Nov. 11.
Promoting science and technology education through spaceflight and weather balloons.
NASA astronaut and former U.S. Air Force Col. Bob Behnken is retiring from NASA after 22 years of service. His last day with the agency is Friday, Nov. 11.