11-Foot Transonic Unitary Plan Facility Image GalleryBlue-lit image of scale model of Crew Exploration Vehicle (CEV) at NASA Ames Research Center, Moffett Field, Calif., in early...Test engineer Steve Buchholz adjusts the Crew Launch Vehicle (CLV) model.Scale model of Crew Exploration Vehicle (CEV), covered in plastic sheeting, is being prepared for testing.EA-18G Model being tested in the 11-by 11-foot Transonic Wind Tunnel.R.T. Jones Oblique Wing model test in NASA/Ames 11-Foot wind tunnel.Sierra Nevada Corporation, or SNC, Dream Chaser lifting body spaceplane in the NASA Ames 11x11-foot Transonic Wind Tunnel, or TWT.