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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 ...
This list of Delta Force members includes both current and former notable members of the United States Army 's 1st Special Forces Operational Detachment-Delta, a tier one special mission unit and part of Joint Special Operations Command.
Star Destroyer. Star Destroyers are capital ships in the fictional Star Wars universe. Star Destroyers were produced by Kuat Drive Yards, later Kuat-Entralla Engineering, and serve as "the signature vessel of the fleet" for the Galactic Empire, the First Order, and the Sith Eternal in numerous published works including film, television, novels ...
Delta Skymiles: Upon the death of a Member, the Administrator or Executor of the Member's Estate may designate one or more other Members to receive a transfer of the mileage credit in the deceased ...
List of Delta IV launches Delta IV was a group of five expendable launch systems in the Delta rocket family introduced in the early 2000s. Originally designed by Boeing 's Defense, Space and Security division for the Evolved Expendable Launch Vehicle (EELV) program, the Delta IV became a United Launch Alliance (ULA) product in 2006. The Delta IV was primarily a launch vehicle for United States ...
Executor is a rocket engine developed by ARCA [1] for use on its Haas rocket series and on IAR 111 Excelsior supersonic airplane. Executor uses kerosene [2] and liquid oxygen as propellants in a gas-generator power cycle.
Delta Force bodyguards in civilian clothing providing close protection to General Norman Schwarzkopf during the Gulf War, 1991. Delta Force was created in 1977 after numerous well-publicized terrorist incidents led the U.S. government to develop a full-time counter-terrorism unit. Key military and government figures had already been briefed on ...
Delta Sigma Theta Sorority, Inc. (ΔΣΘ) is a historically African American sorority. The organization was founded by college-educated women dedicated to public service with an emphasis on programs that assist the African American community. Delta Sigma Theta was founded on January 13, 1913 by twenty-two women at Howard University in Washington, D.C. Membership is open to any woman ...