Sukhoi T-4 Sotka
Overview π· Photo: Wikimedia Commons / Public Domain The Sukhoi T-4, also known as “Aircraft 100,” “Project 100,” or “Sotka,” […]
Experimental
Experimental/research aircraft
Yakovlev Yak-141 Freestyle
Overview π· Photo: Wikimedia Commons / Public Domain The Yakovlev Yak-141 (NATO reporting name “Freestyle”), also known as the Yak-41,
Sukhoi Su-47 Berkut
Overview π· Photo: Wikimedia Commons The Sukhoi Su-47 Berkut (Golden Eagle) was a forward-swept wing experimental fighter that served as
Douglas D-558-II Skyrocket
Overview π· Photo: NASA / Wikimedia Commons (Public Domain) The Douglas D-558-II Skyrocket was a groundbreaking rocket-and-jet-powered research aircraft that
Douglas X-3 Stiletto
Overview π· Photo: NASA / Wikimedia Commons (Public Domain) The Douglas X-3 Stiletto was a sleek, needle-nosed experimental jet aircraft
Bell X-2 Starbuster
Overview π· Photo: NASA / Wikimedia Commons (Public Domain) The Bell X-2 Starbuster was a rocket-powered swept-wing research aircraft built
Lockheed Martin X-59 QueSST
Checked September 8, 2026. NASA reports 25 flights through August 21. X-59 first flew on October 28, 2025, first exceeded
North American F-107 Ultra Sabre
Overview π· Photo: U.S. Air Force / Wikimedia Commons (Public Domain) The North American F-107 is one of the most
Northrop YF-23 Black Widow II
Overview π· Photo: U.S. Air Force / Wikimedia Commons (Public Domain) The Northrop YF-23 Black Widow II was one of
Lockheed YF-12
Overview π· Photo: U.S. Air Force / NASA The Lockheed YF-12 was a Mach 3+ interceptor prototype developed from the