The Future of Civil Aviation, as Envisioned in the 1960s

In the early 1960s, Lockheed launched the L-2000 supersonic transport (SST) program and built the mockup shown here. Intended to carry 250 passengers and travel at Mach 2.7 – 3.0, the L-2000 was intended to compete with Europe’s Concorde, but the program was ultimately canceled before any airworthy examples could be built.

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The McDonnell XP-67 “Moonbat” Represented Ambition Outpacing Engineering
July 29, 2026

The McDonnell XP-67 “Moonbat” Represented Ambition Outpacing Engineering

The McDonnell XP-67 “Moonbat” combined cutting-edge technologies, including a blended-wing body and Continental XL-1430 engines, in pursuit of 472 mph performance. Engine overheating and aerodynamic instability ended the ambitious program before it could reach production.
Grob G600
July 18, 2026

From Business Jet to Spy Plane: How a Civilian Jet Design Nearly Became a Military Surveillance Platform

Grob’s G600 concept would have converted a business jet into a 65,000-foot spy plane with 33 hours of endurance.
Northrop HL-10 Lifting Body Aircraft
June 2, 2026

Northrop HL-10 Lifting Body Aircraft

To help study the science of spacecraft reentry into Earth’s atmosphere, NASA flew and evaluated various lifting-body aircraft.