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Delta Air Lines Flight 191 was a regularly scheduled Delta Air Lines domestic service from Fort Lauderdale, Florida, to Los Angeles with an intermediate stop at Dallas/Fort Worth International Airport (DFW). On August 2, 1985, the Lockheed L-1011 TriStar operating Flight 191 encountered a microburst while on approach to land at DFW. The aircraft impacted ground just over one mile (1.6 km ...
Delta Force was established on 19 November 1977, by Beckwith and Colonel Thomas Henry. [17] In the meantime, Colonel Bob "Black Gloves" Mountel of the 5th Special Forces Group created a unit to bridge the short-term gap that existed until Delta was ready, dubbed Blue Light. [18] The initial members of the unit were screened from volunteers and put through a specialized selection process in ...
The delta function was introduced by physicist Paul Dirac, and has since been applied routinely in physics and engineering to model point masses and instantaneous impulses. It is called the delta function because it is a continuous analogue of the Kronecker delta function, which is usually defined on a discrete domain and takes values 0 and 1. The mathematical rigor of the delta function was ...
The Sacramento–San Joaquin River Delta, or California Delta, is an expansive inland river delta and estuary in Northern California. The Delta is formed at the western edge of the Central Valley by the confluence of the Sacramento and San Joaquin rivers and lies just east of where the rivers enter Suisun Bay, which flows into San Francisco Bay, then the Pacific Ocean via San Pablo Bay. The ...
Delta Reticuli ( Delta Ret, δ Reticuli, δ Ret) is a star in the southern constellation of Reticulum. It is visible to the naked eye, having an apparent visual magnitude of 4.60. [2] The distance to this star, as estimated from its annual parallax shift of 6.20 mas, [1] is roughly 530 light-years from the Sun .
First Delta IV Heavy launch from Vandenberg [8] Military comsat . A technology demonstration and Earth observation satellite. The launch was delayed from May 2010 because development of the spacecraft was taking longer than expected. [11] Final Delta II Heavy launch and final launch from SLC-17 at CCAFS.
The Louisiana & Delta's only surviving ATSF CF7 locomotive, formerly LDRR 1500. The Louisiana and Delta Railroad ( reporting mark LDRR) is a short-line railroad headquartered in New Iberia, Louisiana . LDRR operates over 114 miles of branch line in southern Louisiana between Lafayette, Louisiana and Raceland, Louisiana, with most of the lines ...
The Nile Delta ( Arabic: دلتا النيل, Delta an-Nīl or simply الدلتا, ad-Delta) is the delta formed in Lower Egypt where the Nile River spreads out and drains into the Mediterranean Sea. [1] It is one of the world's larger deltas—from Alexandria in the west to Port Said in the east, it covers 240 km (150 mi) of Mediterranean coastline and is a rich agricultural region. [2] From ...