February 10, 2023, the United States Air Force shot down a high-altitude object that had entered U.S. airspace over Alaska a day before. The object was shot...

unknown 'high-altitude object' over Alaska, White House says". ABC News. Archived from the original on February 10, 2023. Retrieved February 10, 2023. Cooper...

off on February 17. The object was downed a day after an Alaskan high-altitude object was shot down, and a week after the 2023 Chinese balloon incident...

another high-altitude object was shot down over northern Alaska. The object was unmanned and was reportedly octagonal in shape. The object reportedly had...

January 28 to February 4, 2023, a high-altitude balloon originating from China flew across North American airspace, including Alaska, western Canada, and the...

11, 2023). "U.S. shoots down unidentified object flying above Alaska". Reuters. Retrieved February 15, 2023. "US shoots down unknown 'high-altitude object'...

– 2023 Alaska high-altitude object: The White House's spokesperson John Kirby announces that the United States Air Force shot down a high-altitude object...

trucking company got its name remains in dispute. In February 2023, a "high altitude object" about the size of a small car was shot down near the area after...

(11,000 m), at 17:11 over eastern Alaska, the pilot, Captain Kenji Terauchi reported seeing three unidentified objects, "flying parallel and then ... very...

U.S." Reuters. "High-altitude object shot down off Alaska, US says". BBC News. February 10, 2023. Gramer, Robbie (November 16, 2023). "The U.S.-China...

321 Alaska Airlines Flight 261 China Airlines Flight 006 "Normal" g-force (i.e. the force on an object due to the gravity of the Earth, if that object is...

loads become high. Speeds over Mach 25 had been achieved below the thermosphere as of 2020.[better source needed] The first manufactured object to achieve...

include anti-ballistic missiles, or sea-based, space-based, laser, and high altitude missile systems. The NMD program is limited in scope and designed to...

and reached an altitude of 100 km (62 mi), entering space. It followed various objects, such as stars, and gained further altitude. Its engine stopped...

have immediate attention ... Sightings of unexplained objects at great altitudes and traveling at high speeds in the vicinity of major U.S. defense installations...

under unexplained circumstances. Unidentified flying objects (UFOs) and unidentified submerged objects (USOs), have also allegedly been spotted in the area...

be forced to relinquish its territories to the victors, such as losing Alaska (then an organized incorporated territory) to Canada as part of the peace...

The Northrop Grumman RQ-4 Global Hawk is a high-altitude, remotely-piloted surveillance aircraft introduced in 2001. It was initially designed by Ryan...

are occupied by people; for example, a pressurised aircraft cabin at high altitude, a spacecraft, or a hyperbaric chamber. For the catastrophic failure...

The Soviet Union executed their own high-altitude tests for the purpose of studying and developing High-Altitude Electromagnetic Pulse (HEMP) weapons...

maneuverable flight: exceptional metabolic capacity, adaptations to high altitude, sensitive visual and communication abilities, and long-distance migration...

original on February 11, 2023. Retrieved February 12, 2023. A U.S. Air Force fighter safely shot down a Chinese high-altitude surveillance balloon today...

rocket flies 147 kilometers and reaches an altitude of 84.5 kilometers, becoming the first man-made object to reach space. October 9 WWII: Third Battle...

president from 1977 until 1981, reported seeing an unidentified flying object while at Leary, Georgia, in 1969. While serving as governor of Georgia,...

encounters they had with unexplained objects during the summer of 2014 to March 2015 while flying at high altitudes off the East Coast of the United States...

Navy and U.S. Coast Guard. F-22s shot down additional high-altitude objects near the coast of Alaska on 10 February and over Yukon on 11 February. The USAF...

disc-shaped unidentified flying object (UFO). The term was coined in 1947 by the United States (US) news media for the objects pilot Kenneth Arnold claimed...

into interstellar space. Barring an extremely unlikely collision with some object, all five should persist indefinitely. Astronomy portal Stars portal Outer...

to approximately 177 in a two class and 189 in a high-density, one class layout. Launch customer Alaska Airlines received the first delivery in May 2001...

fly Mach 2.2 at high altitude and long distances and at Mach 0.85 at very low altitudes. The program was canceled in 1977 due to its high cost, the introduction...