Vivienne Machi is the military space editor for Aviation Week. She has written about U.S. and international military and space tech for nearly a decade from Los Angeles, Washington and Stuttgart, Germany. Her byline has appeared in outlets including Defense News, Via Satellite, Foreign Policy, Defense Daily, National Defense Magazine and Business Insider.
Over the past half-century, the U.S. has introduced over 20 efforts to harness nuclear power and propulsion for space operations, only to cancel all of them.