Snapshot
2021 TSRQ1: Mars Missions – Snapshot
The first attempts to reach Mars began more than 60 years ago, when the former Soviet Union launched two probes to Mars. Both failed to reach Earth orbit.
2018 – U.S. Civil Space Budgets – Snapshot
Seven U.S. civil government agencies have space line items, if not subordinate space agencies, in their budget…
2018 – U.S. National Security Space Budgets – Snapshot
Space technologies are a vital asset to the United States military across air, land, sea, and cyberspace. All four branches under the Department of Defense (DoD) – the Air Force (USAF), the Army (USA), the Navy (USN), and the Marine Corp (USMC) – have space assets. DoD agencies…
2018 – Galileo Ground Networks – Snapshot
Responsibility for the operation of the Galileo constellation’s ground system moved in 2018 from the European Space Agency (ESA)…
2018 – GPS Ground Networks – Snapshot
In 2018, the USAF continued GPS operations with ground equipment that is decades…
2018 – Quasi-Zenith Satellite System (QZSS) – Snapshot
Japan’s Cabinet Office continues to operate all four satellites of QZSS (also known as Michibiki), the country’s PNT constellation. QZSS is a regional PNT system solely catering to . . .
2018 – Navigation with Indian Constellation (NavIC) – Snapshot
India launched one Indian Regional Navigation Satellite System (IRNSS) satellite to complete its Navigation with Indian Constellation…
2018 – Global Positioning System (GPS) – Snapshot
The U.S. maintained 31 operational GPS satellites during 2018, the same number operational during 2017. While that number of operational satellites is . . .
2018 – Global Navigation Satellites System (GLONASS) – Snapshot
For 2018, Russia maintained its 2017 number of operational GLONASS PNT satellites, 24; these satellites are also . . .
2018 – Galileo – Snapshot
In contrast to the PNT systems operated by other nations (except Japan), two European civil government organizations (the EU) and the ESA) share acquisition, management…