Kathryn Lueders, associate administrator of NASA’s Space Operations Mission Directorate, announced Monday she will retire from the agency at the end of April. Lueders’ current deputy and astronaut, Ken Bowersox, will become the new head of Space Operations, effective Monday, May 1. Kathryn Lueders, associate administrator of NASA’s Space Operations Mission Directorate, announced Monday she will retire from the agency at the end of April. Lueders’ current deputy and astronaut, Ken Bowersox, will become the new head of Space Operations, effective Monday, May 1. Read More