Company pilot Louis Schalk makes the first official flight of the Lockheed A-12, the forerunner of the SR-71 high-speed reconnaissance aircraft, at Groom Lake, Nev. Two earlier hops had been made on April 25 and 26.
Chief of Space Operations Gen. B. Chance Saltzman said reforms underway to the Space Force’s deployment and training model are the “most drastic change accompanying the establishment of the Space Force” in a note distributed to Guardians on April 19. “It fundamentally alters how we prepare for operations,” Saltzman wrote…