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... )'' 5-6 June: Results of five years of aerodynamic loads research were presented at a YF-12 Flight Loads Symposium at Flight Research Center . Wind-tunnel tests and flight measurements of ... transient temperature gradients from the skin to the primary structure than those experienced on the YF-12. ''(NASA Gen Mgt Rev Rpt, 17 June 74, 52)'' May 1974 May June 1974 ...

... a $4 000 000 firm fixed-price contract to Northrop Corp. Aircraft Div. for the YF-17 lightweight fighter aircraft transition program. ASD was also awarding $4 000 000 to General Dynamics Corp. Convair Aerospace Div. for the YF-16 transition program. ''(DOD Release 368-74)'' July 1974 July August 1974 August Aug 1 ...

... fighter to be selected by the Air Force-either the General Dynamics Corp. YF-16 or the Northrop Corp. YF-17. Other funds included $81.4 million for six A-10 close ...

... L. McLucas, Secretary of the Air Force, announced the selection of the General Dynamics Corp. YF-16 prototype for full scale engineering development as the Air Force's F-16 air ... was awarded to General Dynamics, which had been in competition with Northrop Corp. and its YF-17 lightweight fighter prototype during flight-test evaluations at the Air Force Flight Test Center ...

... at Dryden Flight Research Center for what was probably the final symposium on NASA's YF-12 aircraft program begun in the late 1960s, the Lewis News reported. The airplanes would ... of information among participants engaged in design or research related to high supersonic flight." The YF-12 had given NASA an opportunity for research on sustained supersonic flight. Several NASA centers ...

... no risk of upsetting the delicate immunological balance of patients. ''(AP, Today, 11/24/68, 12A)'' NAS in The Mathematical Sciences: A Report said that before World War II U.S ...

... , WSJ, 6/3/66, 2; WSJ, 6/15/66, 1; Shreveport Times, 6/3/66, 12A; Clark, NYT, 6/3/66, 1, 22; 6/4/66, 12; 6/5/66, 1 ...

... for establishing three absolute and six jet-class world records May 1, 1965, in W-12A aircraft. Col. Stephens had set new speed record of more than 2,070 mph and ...

... 1975 had prevented an earlier pair of spacecraft from achieving orbit. (Today, May 12/77, 12A; May 13/77, IA; C Trib, May 14/77,1-9; NYT, May 11/77 ...

... the project; remaining funds had come from the Natl. Science Foundation. (Today, June 12/77, 12A) May 1977 May June 1977 June Jun 1 1977 1 Jun 2 1977 2 Jun ...

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