Qué (quién) es T-X program - definición
T-X program
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![T-100 at the [[Farnborough Airshow]] in 2018](https://commons.wikimedia.org/wiki/Special:FilePath/Leonardo T-100 - Farnborough Airshow 2018.jpg?width=200 "T-100 at the [[Farnborough Airshow]] in 2018")
![A USAF [[Northrop T-38 Talon]] from the 560th Flying Training Squadron. The T-38 is to be replaced as the USAF advanced jet trainer by the T-X program winner, the Boeing T-X, now known as the T-7 Red Hawk.](https://commons.wikimedia.org/wiki/Special:FilePath/T38-Bank.JPEG?width=200 "A USAF [[Northrop T-38 Talon]] from the 560th Flying Training Squadron. The T-38 is to be replaced as the USAF advanced jet trainer by the T-X program winner, the Boeing T-X, now known as the T-7 Red Hawk.")
MILITARY TRAINING AIRCRAFT DEVELOPMENT PROGRAM
Northrop Grumman Model 400
The T-X program is a United States Air Force development and acquisition program for a new two-seat jet trainer to replace the Northrop T-38 Talon. On 27 September 2018, the US Air Force selected the Boeing/Saab T-X entry to become its trainer aircraft.
NASA X-43
UNMANNED EXPERIMENTAL HYPERSONIC AIRCRAFT
X-43A Hyper-X; X-43A; Hyper-X; X43A; Boeing X43; X-43C; Boeing X-43; X-43D; Hyper-X program; X-43B; NASA X-43A
The NASA X-43 was an experimental unmanned hypersonic aircraft with multiple planned scale variations meant to test various aspects of hypersonic flight. It was part of the X-plane series and specifically of NASA's Hyper-X program.
X (charge)
TERM IN PARTICLE PHYSICS
X charge; X-charge
In particle physics, the X charge (or simply X) is a conserved quantum number associated with the SO(10) grand unification theory. It is thought to be conserved in strong, weak, electromagnetic, gravitational, and Higgs interactions.
