DescripciónNorth American XB-70 Valkyrie final proposal.gif
English: NAA's final proposal for WS-110A, which would become the B-70. "BLC" refers to "boundary layer control", suction used to smooth the airflow in the engine intakes.
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2007-09-17 12:32 Maury Markowitz 1351×863×5 (37694 bytes) NAA's final proposal for WS-110A, which would become the B-70. "BLC" refers to "boundary layer control", suction used to smooth the airflow in the engine intakes. From NASA CR-115703, Volume 2, page 23. {{PD-USGov-NASA}}
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{{BotMoveToCommons|en.wikipedia}} {{Information |Description={{en|NAA's final proposal for WS-110A, which would become the B-70. "BLC" refers to "boundary layer control", suction used to smooth the airflow in the engine intakes. From NASA CR-115703, Vol