Henry A.H. Boot and John T. Randall, working at the University of Birmingham, England, create the first practical magnetron. The magnetron, a resonant-cavity microwave generator, is vital in the development of airborne radar.
RTX, parent of Raytheon, Collins and Pratt & Whitney, is getting out of the space prime business and focusing on its "strengths" as a maker of space sensors, buses, and components, company COO Chris Calio said during an earnings call.