Lockheed M-21 & D-21

A procedural model built in Blender from the type’s published dimensions, painted as Lockheed M-21 60-6940 (Article 134), the only surviving M-21, carrying a D-21 reconnaissance drone on its back as displayed at The Museum of Flight, Seattle, Washington: a two-seat development of the A-12 Blackbird with a second cockpit for the launch control officer in place of the A-12’s camera bay, a long flat-sided forebody edged by sharp chines, a thin delta wing with two Pratt & Whitney J58 engines in nacelles at mid-span, each with a pointed inlet spike, two inward-canted fins on the nacelles and a pointed tail cone; the D-21 sits level on a tall narrow pylon on the spine, with its own spiked ramjet inlet, chined fuselage, thin swept wing and single fin: the M-21 in bare titanium with black on the whole nose, the chines, every wing edge, the tail cone and the inlet spikes, ‘U.S. AIR FORCE’ and the star-and-bar on both sides of the fuselage, ‘06940’ in black on a grey-blue panel on both fins, ‘134’ in white on the nose chines and red blanking plates in the exhausts; the D-21 overall black with small white stencils and a light grey nozzle, as photographed at Seattle (no M-21 or D-21 is in a UK museum; shape from A-12 and D-21 three-views and the SR-71 drawing, checked against photographs; the stencil wording is not legible in any photograph and is generic, and the museum’s jack stands are left out). Drag to orbit, scroll or pinch to zoom · all 322 models · download .glb (1.4 MB) · Plate 268 in The Hangar