X-15

Cleared Direct Oct 9, 2026

The X-Fifteen, the Mach Six Point Seven Speed Record No Powered Aircraft Has Broken Since, and the Rocket Plane That Handed the Space Shuttle Its Blueprint

The X-15 set the all-time air speed record of Mach 6.72 in 1967, and its thermal, control, and reentry data directly shaped Apollo, the Space Shuttle, and every hypersonic vehicle in development today.

Vector

Cleared Direct Oct 7, 2026

The Stratolaunch Roc, the Twin-Fuselage Carrier Aircraft With the Largest Wingspan Ever Built, and the Air-Launch Strategy That Returns Hypersonic Testing to Its Mojave Roots

The Stratolaunch Roc, the largest aircraft ever built by wingspan at 385 feet, is reviving air-launch hypersonic testing with its reusable Talon A vehicle.

Vector

Cleared Direct Sep 30, 2026

The North American X Fifteen, the Kármán Line, and the Rocket Plane That Taught America How to Fly in Space

The North American X-15 flew 199 research missions from 1959 to 1968, setting records that still stand and building the engineering foundation for every U.S. crewed spacecraft that followed.

Vector

Cleared Direct Sep 18, 2026

The North American X-Fifteen, the Hundred-Mile Altitude Mark, and the Research Aircraft That Taught Apollo How to Come Home

The North American X-15 set speed and altitude records that still stand today while generating the hypersonic research data that made Apollo and the Space Shuttle possible.

Vector

Cleared Direct Sep 12, 2026

The North American X Fifteen, the Rocket Plane That Flew to the Edge of Space and Back, and the Eight Pilots Who Earned Astronaut Wings in an Aircraft

The North American X-15 flew 199 missions to the edge of space, set speed and altitude records that still stand, and shaped every hypersonic and space vehicle that followed.

Vector

Cleared Direct Sep 4, 2026

The North American X-15, the Fifty-Mile Threshold, and the Eight Pilots Who Crossed from Aviation into Space

Eight military pilots flew the X-15 above 50 miles in the 1960s, earning astronaut wings and defining the altitude threshold still encoded in U.S. commercial space law today.

Vector

Cleared Direct Aug 28, 2026

The North American X Fifteen, Pete Knight's Mach Six Point Seven, and the Speed Record for a Winged Aircraft That Has Stood for Nearly Sixty Years

Pete Knight flew the X-15 to Mach 6.7 on October 3, 1967 - a speed no winged aircraft has matched in nearly 59 years, and a record built on engineering that still shapes aerospace today.

Vector

Cleared Direct Aug 25, 2026

The North American X-15, the Rocket Plane That Flew to Space, and the Eight Pilots Who Earned Astronaut Wings Without Ever Riding a Capsule

The North American X-15 holds the all-time speed record for a winged aircraft and sent eight pilots to space - records that have stood for nearly sixty years.

Vector

Cleared Direct Jul 31, 2026

The North American X Fifteen, the Rocket Plane That Flew to the Edge of Space on Stubby Wings and Taught Us How to Fly Where the Air Runs Out

The North American X-15 flew to Mach 6.7 and the edge of space, pioneering the hypersonic and reentry technology behind every spacecraft that followed.

Vector

Cleared Direct Jul 28, 2026

The Karman Line, Sixty-Two Miles Up, and the Altitude Where Wings Quit and Rockets Take Over

Radio Hangar explores The Karman Line, Sixty-Two Miles Up, and the Altitude Where Wings Quit and Rockets Take Over.

Vector

Cleared Direct Jul 26, 2026

The Mothership and Air-Launch to Orbit - Stratolaunch's Roc, the Six-Engine Giant That Turns a Runway Into a Spaceport, Told From the Innovation Hangars at Oshkosh

How Stratolaunch's Roc, the world's largest-wingspan aircraft, turns a runway into a spaceport through air-launch.

Vector

The Hangar Jul 20, 2026

Neil Armstrong the Aviator - The Navy Panther, the X-15, and the Pilot Behind Tranquility Base

Before Apollo 11, Neil Armstrong was a Navy combat pilot and X-15 test pilot - and that flying is what got him to the moon.

Taildragger

ATIS May 27, 2026

From the Bell X one to Mach six, the machines that punched through the sound barrier

Eight aircraft defined supersonic flight from Chuck Yeager's Mach 1 in 1947 to the X-15's Mach 6.7 record that still stands today.

Tower