X-41 Common Aero Vehicle
Encyclopedia
X-41 is the designation for a still-classified
Classified information
Classified information is sensitive information to which access is restricted by law or regulation to particular groups of persons. A formal security clearance is required to handle classified documents or access classified data. The clearance process requires a satisfactory background investigation...

 U.S.
United States
The United States of America is a federal constitutional republic comprising fifty states and a federal district...

 military
Military
A military is an organization authorized by its greater society to use lethal force, usually including use of weapons, in defending its country by combating actual or perceived threats. The military may have additional functions of use to its greater society, such as advancing a political agenda e.g...

 spaceplane
Spaceplane
A spaceplane is a vehicle that operates as an aircraft in Earth's atmosphere, as well as a spacecraft when it is in space. It combines features of an aircraft and a spacecraft, which can be thought of as an aircraft that can endure and maneuver in the vacuum of space or likewise a spacecraft that...

. Specifications or photos of the program have not been released to the public yet; as a result not much is known about its goals. It has been described as an experimental maneuvering re-entry vehicle
Atmospheric reentry
Atmospheric entry is the movement of human-made or natural objects as they enter the atmosphere of a celestial body from outer space—in the case of Earth from an altitude above the Kármán Line,...

 capable of transporting a 1,000 lb payload on a sub-orbital
Sub-orbital spaceflight
A sub-orbital space flight is a spaceflight in which the spacecraft reaches space, but its trajectory intersects the atmosphere or surface of the gravitating body from which it was launched, so that it does not complete one orbital revolution....

 trajectory at hypersonic
Hypersonic
In aerodynamics, a hypersonic speed is one that is highly supersonic. Since the 1970s, the term has generally been assumed to refer to speeds of Mach 5 and above...

 speeds and releasing that payload into the atmosphere. The technology required for the X-41 is not yet known and is still undecided by the government. It is believed a new type of hypersonic travel is also being studied for the X-41 that will apparently be able to travel past Mach
Mach number
Mach number is the speed of an object moving through air, or any other fluid substance, divided by the speed of sound as it is in that substance for its particular physical conditions, including those of temperature and pressure...

 7 and perhaps onto Mach 9.

This vehicle is now a part of the FALCON (Force Application and Launch from Continental United States) program sponsored by DARPA and NASA
NASA
The National Aeronautics and Space Administration is the agency of the United States government that is responsible for the nation's civilian space program and for aeronautics and aerospace research...

.

External links

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