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McDonnell Douglas DC-X. The DC-X, short for Delta Clipper or Delta Clipper Experimental, was an uncrewed prototype of a reusable single-stage-to-orbit launch vehicle built by McDonnell Douglas in conjunction with the United States Department of Defense 's Strategic Defense Initiative Organization (SDIO) from 1991 to 1993.
Gravity loss. In astrodynamics and rocketry, gravity loss is a measure of the loss in the net performance of a rocket while it is thrusting in a gravitational field. In other words, it is the cost of having to hold the rocket up in a gravity field. Gravity losses depend on the time over which thrust is applied as well the direction the thrust ...
Allegiant Air (usually shortened to Allegiant) is a major American airline headquartered in Las Vegas, Nevada.The airline focuses on serving leisure traffic from small and medium-sized cities which it considers to be underserved, using a ultra low-cost business model with minimal inclusions in fares and a greater number of add-on fees.
Boeing X-66. The McDonnell Douglas (later Boeing) MD-90 is an American five-abreast single-aisle airliner developed by McDonnell Douglas from its successful model MD-80. The airliner was produced by the developer company until 1997 and then by Boeing Commercial Airplanes. It was a stretched derivative of the MD-80 and thus part of the DC-9 family.
The Battle of Ia Drang (Vietnamese: Trận Ia Đrăng, [iə̯ ɗrăŋ]; in English / ˈ iː ə d r æ ŋ /) was the first major battle between the United States Army and the People's Army of Vietnam (PAVN), as part of the Pleiku Campaign conducted early in the Vietnam War, at the eastern foot of the Chu Pong Massif in the central highlands of Vietnam, in 1965.
Knights Landing (formerly, Baltimore and East Grafton) is a census-designated place in Yolo County, California, United States, founded by William Knight. It is located on the Sacramento River around 25 miles northwest of Sacramento in the northeastern portion of the county. Knights Landing's ZIP Code is 95645 and its area code 530. It lies at ...
Delta Air Lines is a major American airline. [1] [2] The company's history began with the world's first aerial crop dusting operation called Huff Daland Dusters Inc., founded in 1925 in Macon, Georgia [3] to combat the boll weevil infestation of cotton crops. [4] C.E. Woolman, general manager and later Delta's first CEO, led a group of ...
A Delta Air Lines flight bound for Los Angeles was forced to make an emergency landing in Albuquerque on Tuesday after the plane's cabin appeared to fill with smoke, the airline said.