9- by 15-Foot Low-Speed Wind TunnelProgress toward quieter aircraft: Allison Low Speed Noise Fan with swept/leaned stators mounted in the 9'x15' Low Speed Wind Tunnel.Progress toward quieter aircraft: Alternative Low Noise Fan System mounted in the 9'x15' Low Speed Wind Tunnel.Technician at work on the Lockheed Short Takeoff Vertical Landing (STOVL) model mounted in the 9x15 Low Speed Wind Tunnel.Laser imaging of exhaust from the Supersonic Short Takeoff Vertical Landing (STOVL) hot gas ingestion model mounted in the 9'x15'...