When.com Web Search

Search results

  1. Results From The WOW.Com Content Network
  2. List of natural satellites - Wikipedia

    en.wikipedia.org/wiki/List_of_natural_satellites

    Irregular moons are probably minor planets that have been captured from surrounding space. Most irregular moons are less than 10 kilometres (6.2 mi) in diameter. The earliest published discovery of a moon other than Earth's was by Galileo Galilei, who discovered the four Galilean moons orbiting Jupiter in 1610. Over the following three ...

  3. List of USA satellites (1-500) - Wikipedia

    en.wikipedia.org/wiki/List_of_USA_satellites

    This is a list of satellites and spacecraft which have been given USA designations by the United States Air Force. These designations have been applied to most United States military satellites since 1984, and replaced the earlier OPS designation. As of June 2022, USA designations have been assigned to 462 space satellites.

  4. GPS Block IIIF - Wikipedia

    en.wikipedia.org/wiki/GPS_Block_IIIF

    GPS Block IIIF, or GPS III Follow On (GPS IIIF), is the second set of GPS Block III satellites, consisting of up to 22 space vehicles. The United States Air Force began the GPS Block IIIF acquisition effort in 2016. [7] On 14 September 2018, a manufacturing contract with options worth up to $7.2 billion was awarded to Lockheed Martin.

  5. List of space forces, units, and formations - Wikipedia

    en.wikipedia.org/wiki/List_of_space_forces...

    Space Command (Pakistan Air Force) 2021 South Korea: Republic of Korea Air Force [44] 2021 [s] Thailand: Royal Thai Air Force [45] 2020 Turkey: Space Command [46] Reconnaissance Satellites Command [47] Air and Space Force Development Center 2005 United Kingdom: No. 23 Squadron (Royal Air Force) [48] 2021 1001 Signal Unit (Royal Air Force) [49 ...

  6. Structure of the United States Space Force - Wikipedia

    en.wikipedia.org/wiki/Structure_of_the_United...

    The Space Force has no command echelon equivalent of the U.S. Air Force′s numbered air forces, [25] so the next command echelon below field commands is the delta, a single level of command which combines the wing and group command echelons found in the U.S. Air Force. [25]

  7. List of Solar System objects by size - Wikipedia

    en.wikipedia.org/wiki/List_of_Solar_System...

    For the small outer irregular moons of Uranus, such as Sycorax, which were not discovered by the Voyager 2 flyby, even different NASA web pages, such as the National Space Science Data Center [6] and JPL Solar System Dynamics, [5] give somewhat contradictory size and albedo estimates depending on which research paper is being cited.

  8. GPS Block III - Wikipedia

    en.wikipedia.org/wiki/GPS_Block_III

    The Contingency Operations effort enables GPS III satellites to participate in the GPS constellation, albeit in a limited fashion, without having to wait until OCX Block 1 becomes operational (scheduled for 2022). The United States Space Force awarded the US$96 million Contingency Operations contract in February 2016. [74]

  9. United States Space Force - Wikipedia

    en.wikipedia.org/wiki/United_States_Space_Force

    One of the primary reasons the Space Force was created was to consolidate space forces from across the U.S. Air Force, U.S. Army, and U.S. Navy. [37] In 2020, the Space Training and Readiness Delta (Provisional) was established to form the foundation for Space Training and Readiness Command and incorporate Air Force space units spread across ...