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  2. GPS IIR-1 - Wikipedia

    en.wikipedia.org/wiki/GPS_IIR-1

    GPS IIR-1 or GPS SVN-42 was the first Block IIR GPS satellite to be launched. It was to have been operated as part of the United States Air Force Global Positioning System.It was launched on 17 January 1997, and was destroyed 13 seconds into its flight due to a malfunction of the Delta II launch vehicle that was carrying it. [2]

  3. Delta (rocket family) - Wikipedia

    en.wikipedia.org/wiki/Delta_(rocket_family)

    Delta rocket on display at the Goddard Space Flight Center. The original Delta rockets used a modified version of the PGM-17 Thor, the first ballistic missile deployed by the United States Air Force (USAF), as their first stage. The Thor had been designed in the mid-1950s to reach Moscow from bases in Britain or similar allied nations, and the ...

  4. Nabla symbol - Wikipedia

    en.wikipedia.org/wiki/Nabla_symbol

    The nabla is a triangular symbol resembling an inverted Greek delta: [1] or ∇. The name comes, by reason of the symbol's shape, from the Hellenistic Greek word νάβλα for a Phoenician harp, [2] [3] and was suggested by the encyclopedist William Robertson Smith in an 1870 letter to Peter Guthrie Tait.

  5. North China Craton - Wikipedia

    en.wikipedia.org/wiki/North_China_Craton

    Final amalgamation at 1.8–1.9Ga, but an additional amalgamation event of the Fuping Block with the Eastern Block [22] [23] [24] 1.85Ga [11] [26] Constituent Microblocks of the North China Craton The Eastern and Western Blocks, separated by Trans-North China Orogen [2] [5] [17] The Eastern and Western Blocks, separated by Central Orogenic Belt ...

  6. Block Elements - Wikipedia

    en.wikipedia.org/wiki/Block_Elements

    Block Elements is a Unicode block containing square block symbols of various fill and shading. Used along with block elements are box-drawing characters , shade characters, and terminal graphic characters.

  7. General Dynamics F-16XL - Wikipedia

    en.wikipedia.org/wiki/General_Dynamics_F-16XL

    The General Dynamics F-16XL is a derivative of the F-16 Fighting Falcon with a cranked-arrow delta wing. It entered the United States Air Force's (USAF) Enhanced Tactical Fighter (ETF) competition in 1981 but lost to the F-15E Strike Eagle. The two prototypes were shelved until being turned over to NASA for additional aeronautical research in 1988.

  8. These Are Trader Joe’s Customers' Favorite Products for 2025

    www.aol.com/trader-joe-customers-favorite...

    Appetizers. Creamy Spinach and Artichoke Dip. Jalapeño & Cream Cheese Crispy Wontons. Parmesan Pastry Pups. Greek Spanakopita. Vegetable Bird's Nests with Soy Dipping Sauce

  9. List of Delta IV launches - Wikipedia

    en.wikipedia.org/wiki/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.