First flight of Tacit Blue “Whale,” which demonstrated that curvilinear surfaces were valuable in foiling radar. It leads to advances that live on in the B-2 and the F/A-22.
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.