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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.
The largest and most powerful of these is the Executor, which first appeared in The Empire Strikes Back (1980) as the personal flagship of Darth Vader. The first in a line of Executor-class Star Dreadnoughts, the ship is over 19,000 m (62,000 ft) in length, propelled by thirteen colossal engines and a Class 1 hyperdrive.
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 Lea Goodrem AM (born 9 November 1984) is an Australian singer, songwriter, television personality and actress. Goodrem signed a recording contract with Sony Music at the age of 15. Her debut studio album, Innocent Eyes (2003), topped the ARIA Albums Chart for 29 non-consecutive weeks. It is one of the highest-selling Australian albums and ...
Kronecker delta. In mathematics, the Kronecker delta (named after Leopold Kronecker) is a function of two variables, usually just non-negative integers. The function is 1 if the variables are equal, and 0 otherwise: or with use of Iverson brackets : For example, because , whereas because . The Kronecker delta appears naturally in many areas of ...
The Delta IV Heavy ( Delta 9250H) was an expendable heavy-lift launch vehicle, the largest type of the Delta IV family. It was the world's third highest-capacity launch vehicle in operation at the time of its retirement in 2024, behind NASA 's Space Launch System and SpaceX 's Falcon Heavy and closely followed by CASC 's Long March 5. [5] [6 ...
Her mother, Idella Elizabeth Long Thompson, was a prominent Mississippi Delta socialite and the daughter of Dr. John A. Long and Virginia Stovall Long. She and her family attended the First Baptist Church of Leland. Dickins grew up in her family's mansion, a large Queen Anne style house located at 111 North Deer Creek Drive West in Leland. She ...
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