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Delta-v (also 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.
As of October 2018, only the Delta IV remains in production. Single-stick versions of Delta IV was retired by United Launch Alliance (ULA) in 2019 and replaced by the ULA Atlas V, leaving the Delta IV Heavy the only remaining operational member of the Delta family, flying US national security missions.
Space Delta 5 (DEL 5) is a United States Space Force unit responsible for preparing, presenting, and fighting assigned and attached forces for the purpose of conducting operational-level command and control (C2) of space forces to achieve theater and global objectives.
Delta Air Lines Flight 9570 was a training flight operated using a McDonnell Douglas DC-9-14 (registration (registration N3305L [2]).The aircraft was manufactured in 1965, and had operated for 18,998 hours at the time of the accident.
Yangtze River Delta Economic Region [3]. The Yangtze Delta or Yangtze River Delta (YRD, Chinese: 长江三角洲 or simply 长三角), once known as the Shanghai Economic Zone, is a megalopolis generally comprising the Wu-speaking areas of Shanghai, southern Jiangsu, northern Zhejiang, southern Anhui.
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 .
Delta Air Lines Flight 723 was a flight operated by a McDonnell Douglas DC-9 twin-engine jetliner, operating as a scheduled domestic passenger flight from Burlington, Vermont, to Logan International Airport in Boston, Massachusetts, with an intermediate stop in Manchester, New Hampshire. [1]
Delta Farce is a 2007 American war comedy film directed by C. B. Harding and stars Bill Engvall, Larry the Cable Guy, DJ Qualls and Danny Trejo.The first film after the Blue Collar Comedy Tour concert films to star both Engvall and Larry the Cable Guy, the title is a play on the Delta Force, one of the United States Army's elite special operations units alongside the Army Rangers and the Green ...