When.com Web Search

Search results

  1. Results From The WOW.Com Content Network
  2. List of Delta IV Medium launches - Wikipedia

    en.wikipedia.org/wiki/List_of_Delta_IV_Medium...

    Delta IV Medium, coded Delta 9040, was the most basic Delta IV. It featured a single CBC and a modified Delta 3 second stage, with 4-meter liquid hydrogen and liquid oxygen tanks (called a Delta Cryogenic Second Stage (DCSS)) and a 4-meter payload fairing. The Delta IV Medium was capable of launching 4,200 kg to geostationary transfer orbit ...

  3. Delta IV Medium - Wikipedia

    en.wikipedia.org/wiki/Delta_IV

    The Delta IV Medium (Delta 9040) was the most basic Delta IV. It featured a single CBC and a modified Delta III second stage, with 4-meter liquid hydrogen and liquid oxygen tanks (called a Delta Cryogenic Second Stage (DCSS)) and a 4-meter payload fairing. The Delta IV Medium was capable of launching 4,200 kg to geostationary transfer orbit ...

  4. List of Delta IV launches - Wikipedia

    en.wikipedia.org/wiki/List_of_Delta_IV_launches

    The Delta IV originally had two main versions which allowed the family to cover a range of payload sizes and masses: the Medium (which had four configurations) and Heavy. [2] Since September 2019, only the Heavy remained active, with payloads that would previously fly on Medium moving to either the existing Atlas V or the forthcoming Vulcan .

  5. Delta (rocket family) - Wikipedia

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

    The Delta IV Heavy (Delta 9250H) was an expendable heavy-lift launch vehicle, the largest type of the Delta IV family. It had the highest capacity of any operational launch vehicle in the world after the retirement of the Space Shuttle in 2011 until the Falcon Heavy debuted in 2018, and it was the world's third highest-capacity launch vehicle ...

  6. List of Thor and Delta launches (2000–2009) - Wikipedia

    en.wikipedia.org/wiki/List_of_Thor_and_Delta...

    Delta IV-M CCAFS SLC-37B USA-167 (DSCS-3 A3) Classified GTO: US Air Force: Success [21] Military communications satellite, First Delta IV Medium launch, First USAF EELV mission 297 March 31, 2003 22:09 Delta II 7925-9.5 CCAFS SLC-17A USA-168 2,032 kg MEO: US Air Force: Success [22] Navigation satellite 298 June 10, 2003 17:58 Delta II 7925-9.5

  7. Delta Cryogenic Second Stage - Wikipedia

    en.wikipedia.org/wiki/Delta_Cryogenic_Second_Stage

    The Delta Cryogenic Second Stage (DCSS) is a family of cryogenic-fuelled rocket stages used on the Delta III, Delta IV, and on the Space Launch System Block 1 launch vehicles. The DCSS employs a unique two-tank architecture where the cylindrical liquid hydrogen (LH 2 ) tank carries payload launch loads and forms the upper section.

  8. National Security Space Launch - Wikipedia

    en.wikipedia.org/wiki/National_Security_Space_Launch

    Delta IV CBCs and DCSSs were integrated horizontally before being transported to the launchpad. The Delta IV Medium retired after the 22 August 2019 launch of a GPS-III satellite. The mission used a Delta IV M+(4,2) two SRBs, and a 4 m diameter DCSS and payload fairing, the final use of the 4 m fairing. [33] [34]

  9. List of Thor and Delta launches (2010–2019) - Wikipedia

    en.wikipedia.org/wiki/List_of_Thor_and_Delta...

    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.