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During a test launch taking place on this day from the proving grounds of the Peenemünde Army Research Centre (Heeresversuchsanstalt) of a V-2 / A-4 rocket, a manufactured object for the first time passed the Kármán line defining the edge of atmosphere and outer space (the after-the-fact boundary usually placed at one hundred kilometres above the surface of the Earth) and reached an apogee of one-hundred and seventy-six kilometres before falling back to the ground, not designed to attain orbital velocity. This particular achievement was the greatest vertical distance covered by a projectile thus far but the team of scientists, under the leadership of Werher von Braun, were more proud in with their 1942 feat of having penetrated the rarefied thermosphere—about eighty kilometres above and where ultraviolet radiation creates ions and the charged atmosphere allows radio wave communication to be transmitted and received beyond the horizon. Coincidentally one year later to the day, in 1945, the US Secretary of State and the Joint Chiefs of Staff approved a secret recruiting programme called Operation Overcast to bring scientists from Nazi Germany to America to assist in shortening the war with Japan and augment post-war and peacetime rocketry applications. Interviewing US Ordnance Corps officers would attach a paperclip to the files of those they wanted to be brought to the States for work, importing through 1990 more than sixteen hundred researchers as intellectual reparations claimed by the Allies (minus the Soviets that had their own recruitment campaign) with an attendant $10,000,000,000 worth in associated patents and industrial processes.