February 29, 1964

Feb. 29, 1964
President Lyndon B. Johnson announces the existence of the Lockheed A-11, with a cruising speed of more than Mach 3 at altitudes above 70,000 feet. (Use of the designation A-11 to refer to the Air Force’s YF-12A was deliberate to cloud the existence of the CIA’s A-12, a single-seat reconnaissance aircraft that had been flying in secret and was the actual basis for the two-seat YF-12.) Only three YF-12A interceptors are built, and the SR-71 program for the Air Force takes precedence.

Related Content

House, Senate Unveil Competing Proposals for 2026 Budget

July 11, 2025
Lawmakers from the House and Senate laid out competing versions of the annual defense policy bill on July 11, with vastly different potential outcomes for some of the Air Force’s most embattled programs. 

Iranian Ballistic Missile Hit US Air Base in Qatar in June, Pentagon Reveals

July 11, 2025
An Iranian ballistic missile struck Al Udeid Air Base in Qatar during Iran’s attack on the base June 23, the Pentagon told Air & Space Forces Magazine July 11. Defense officials have touted the success of U.S. and Qatari Patriot anti-missile systems in blunting the missile attack that Iran launched at…

USAF Moves F-16s from Japan to Korea, Clearing Way for F-35s

July 11, 2025
The Air Force permanently transferred F-16 fighter jets from Misawa Air Base in Japan to Osan Air Base in South Korea late last month, the next step in its transition to base F-35s in Japan. The move continues a modernization...

STARCOM ‘on a Good Path’ to Build Up New Training Environment

July 10, 2025
Space Training and Readiness Command is “on a good path” to develop a digital environment where Guardians can train together across different locations against realistic threats in the next year or two, according to outgoing commander Maj. Gen. Timothy A. Sejba 

SOCOM Halves OA-1K Armed Overwatch Buy for 2026

July 10, 2025
U.S. Special Operations Command is once again slowing its purchases of the new OA-1K Skyraider II multipurpose counterinsurgency plane, as the Pentagon pivots its budget to prepare for a high-end conflict following two decades of wars in the Middle East.

DARPA Picks Bell Textron for New Runway-less Drone X-Plane

July 9, 2025
Bell Textron has won DARPA's contest for a no-runway, high-speed drone that will prove out technologies useful for special operations forces and possibly the Air Force's Agile Combat Employment concept. Bell's design converts a tiltrotor to a jet-powered aircraft able to fly at up to 450 knots.