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The Delta Cryogenic Second Stage ( DCSS) is a family of cryogenic rocket stages used on the Delta III and Delta IV rockets, and on the Space Launch System Block 1. The stage consists of a cylindrical liquid hydrogen (LH 2) tank structurally separated from an oblate spheroid liquid oxygen (LOX) tank. The LH 2 tank cylinder carries payload launch ...
Delta ( / ˈdɛltə /; [1] uppercase Δ, lowercase δ; Greek: δέλτα, délta, [ˈðelta]) [2] is the fourth letter of the Greek alphabet. In the system of Greek numerals it has a value of 4. It was derived from the Phoenician letter dalet 𐤃. [3] Letters that come from delta include Latin D and Cyrillic Д .
Delta 4 was a British software developer founded by Fergus McNeill, writing and publishing interactive fiction. [1] Delta 4 designed games between 1984 and 1992. Some were self-published, others were released by CRL Group, Piranha Software, Silversoft, or On-Line Entertainment. Delta 4 were also credited with providing the code for Jonathan ...
Delta operates the world's largest fleets of the Airbus A220, Boeing 717, and Boeing 757, the largest passenger fleet of the Boeing 767, and the largest Airbus A330 fleet of any US airline. Delta has historically preferred purchasing or leasing used aircraft or using older-generation models to keep initial acquisition costs down.
Gary L. Harrell: Retired Major General. Former Commander of Delta Force from 1998 to 2000. Served as a troop commander during invasion of Panama in 1989 and served as C Squadron Commander during the Battle of Mogadishu in Somalia in October 1993. Paul R. Howe: Delta Force veteran of Operation Just Cause in Panama and Operation Gothic Serpent.
Delta-v (more known as " change in velocity "), symbolized as and pronounced deltah-vee, as used in spacecraft flight dynamics, is a measure of the impulse per unit of spacecraft mass that is needed to perform a maneuver such as launching from or landing on a planet or moon, or an in-space orbital maneuver. It is a scalar that has the units of ...
Delta method. In statistics, the delta method is a method of deriving the asymptotic distribution of a random variable. It is applicable when the random variable being considered can be defined as a differentiable function of a random variable which is asymptotically Gaussian .
The Dassault Mirage 2000 is among the most successful delta-winged fighter jets, being used by many countries to this day. A delta wing is a wing shaped in the form of a triangle. It is named for its similarity in shape to the Greek uppercase letter delta (Δ). Although long studied, it did not find significant applications until the Jet Age ...