Concept Aircraft

YA-9: the Warthog’s rival

YA-9: the Warthog’s rival

Before the A-10 Thunderbolt II became the legendary Warthog, Northrop had its own contender for the US Air Force’s close air support requirement: the YA-9. Designed to deliver devastating firepower, withstand ground fire, and support troops on the battlefield, this...

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Grumman X-29

Grumman X-29

The Grumman X-29 was a groundbreaking 1980s experimental aircraft developed by DARPA, NASA, and the US Air Force to demonstrate forward-swept wings on a modified F-5 airframe. Featuring advanced composite materials to counter aeroelastic divergence and fly-by-wire...

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Developing the VZ-9 Avrocar

Developing the VZ-9 Avrocar

Developing the VZ-9 Avrocar, a Canadian VTOL flying saucer from the 1950s, began as a supersonic fighter-bomber but scaled back to tactical roles using Coanda effect lift via three turbojets powering a central fan in an 18-foot disk. US-funded prototypes tested...

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F-4X Super Phantom

F-4X Super Phantom

The F-4X Super Phantom, a proposed 1970s Mach 3 reconnaissance variant of the McDonnell Douglas F-4 developed by General Dynamics and Israel, featured water-injected J79 engines, enlarged inlets, and Mach 2.4 cruise for MiG-25 interception. Canceled amid USAF security...

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TSR2: the British F-111

TSR2: the British F-111

The TSR2, Britain's ambitious supersonic medium bomber dubbed the "British F-111," emerged in the 1950s to replace aging aircraft like the Canberra amid rapid jet advancements and Soviet threats. Designed by BAC for Mach 2 speeds, all-weather strikes, reconnaissance,...

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