Air Weather Service units support US efforts to track the movement of radioactive contamination from the Chernobyl nuclear-reactor accident in the Soviet Union. WC-130 Hercules aircraft fly air-sampling missions.
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.