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  2. List of USA satellites - Wikipedia

    en.wikipedia.org/wiki/List_of_USA_satellites

    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 331 space satellites.

  3. Satellite imagery - Wikipedia

    en.wikipedia.org/wiki/Satellite_imagery

    The first images from space were taken on the sub-orbital V-2 rocket flight launched by the US on October 24, 1946. Satellite image of Fortaleza.. Satellite images (also Earth observation imagery, spaceborne photography, or simply satellite photo) are images of Earth collected by imaging satellites operated by governments and businesses around the world.

  4. United States Space Surveillance Network - Wikipedia

    en.wikipedia.org/wiki/United_States_Space...

    The US Navy designed Minitrack to track the Vanguard satellite, and so long as satellites followed the international agreement on satellite transmitting frequencies, Minitrack could track any satellite. However, the Soviets chose not to use the international satellite frequencies. Thus, a major limitation of this system became visible.

  5. Landsat program - Wikipedia

    en.wikipedia.org/wiki/Landsat_program

    It is a joint NASA / USGS program. On 23 July 1972, the Earth Resources Technology Satellite was launched. This was eventually renamed to Landsat 1 in 1975. [1] The most recent, Landsat 9, was launched on 27 September 2021. The instruments on the Landsat satellites have acquired millions of images. The images, archived in the United States and ...

  6. List of Earth observation satellites - Wikipedia

    en.wikipedia.org/wiki/List_of_Earth_observation...

    NASA, Roscosmos, JAXA, ESA, and CSA. 1998. The International Space Station (ISS) has long been used as a central satellite platform for other sensors, including Earth observation sensors. For example: LIS, SAGE III, TSIS-I, ECOSTRESS, GEDI, OCO-3, Diwata-1, and HICO. Jason-3.

  7. Timeline of artificial satellites and space probes - Wikipedia

    en.wikipedia.org/wiki/Timeline_of_artificial...

    This timeline of artificial satellites and space probes includes uncrewed spacecraft including technology demonstrators, observatories, lunar probes, and interplanetary probes. First satellites from each country are included. Not included are most Earth science satellites, commercial satellites or crewed missions.

  8. Defense Meteorological Satellite Program - Wikipedia

    en.wikipedia.org/wiki/Defense_Meteorological...

    The DSAP-1 (Defense Satellite Application Program Block 1) satellites series, also known as P-35, was the first series of military meteorological satellites of the United States. The project designation P-698BH was used concurrently with P-35 from June 1962 and P-35 became P-417 in October 1962. The designation DMSP-1 (Defense Meteorological ...

  9. Global Positioning System - Wikipedia

    en.wikipedia.org/wiki/Global_Positioning_System

    The Global Positioning System (GPS), originally Navstar GPS, [ 2 ] is a satellite-based radio navigation system owned by the United States government and operated by the United States Space Force. [ 3 ] It is one of the global navigation satellite systems (GNSS) that provide geolocation and time information to a GPS receiver anywhere on or near ...