1 min readPhotogrammetry testing of the Tension Cone Inflatable Aerodynamic DeceleratorNASAApr 28, 2016 Image Article Photogrammetry testing of the Tension Cone Inflatable Aerodynamic Decelerator at NASA's Langley Reseach Center Transonic Dynamics Tunnel. Photogrammetry testing of the Tension Cone Inflatable Aerodynamic Decelerator at NASA’s Langley Reseach Center Transonic Dynamics Tunnel.