December 19, 2025
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Breaking News
  • [ December 18, 2025 ] Rocket Lab launches 4 novel DiskSat satellites for U.S. Space Force, NASA Electron
  • [ December 18, 2025 ] Senate confirms Jared Isaacman as 15th NASA Administrator News
  • [ December 17, 2025 ] SpaceX flies Starlink mission using Falcon 9 booster flying for a 30th time Falcon 9
  • [ December 16, 2025 ] SpaceX launches Wednesday morning Starlink mission from Kennedy Space Center Falcon 9
  • [ December 15, 2025 ] Rocket Lab Electron rocket aborts liftoff at engine ignition Electron

H-2A

H-2A

Successful H-2A rocket launch rounds out Japanese navigation network

October 9, 2017 Stephen Clark

Japan’s regional satellite navigation network, conceived to improve GPS coverage over Japanese territory, received its fourth member Monday with an on-target H-2A rocket launch.

H-2A

Live coverage: Japanese navigation satellite launches on H-2A rocket

October 9, 2017 Stephen Clark

A Japanese H-2A rocket launched the fourth satellite for the country’s regional navigation network Monday. Liftoff from the Tanegashima Space Center in southwestern Japan occurred at 2201:37 GMT (6:01:37 p.m. EDT).

H-2A

Japan’s MHI wins deal to launch satellite for Inmarsat

September 19, 2017 Stephen Clark

Inmarsat has selected Mitsubishi Heavy Industries to launch the first of two planned sixth-generation communications satellites on an H-2A rocket in 2020, giving the Japanese launcher its second commercial win in the global market to loft large geostationary telecom craft.

H-2A

Japan launches navigation satellite after week-long delay

August 19, 2017 Stephen Clark

A Japanese H-2A rocket soared away from a launch pad on a rocky overlook on the Pacific Ocean on Saturday, hauling into orbit the country’s third Michibiki satellite to join a constellation of navigation aids to improve positioning services across the country.

H-2A

Video: H-2A rocket lifts off from Tanegashima

August 19, 2017 Stephen Clark

Japan’s 35th H-2A rocket blasted off Saturday from the Tanegashima Space Center, flying into orbit in its most powerful configuration with a geostationary navigation satellite.

H-2A

Japanese H-2A rocket launch rescheduled for Saturday

August 16, 2017 Stephen Clark

A heavy-duty version of Japan’s H-2A rocket is now scheduled to lift off Saturday with a geostationary navigation satellite after a week-long delay to diagnose and resolve a leak in the rocket’s propulsion system, the Japanese space agency announced Wednesday.

H-2A

H-2A rocket grounded by problem in propulsion system

August 12, 2017 Stephen Clark

A Japanese launch crew filled an H-2A rocket with cryogenic liquid hydrogen and liquid oxygen propellants in time for a planned liftoff Saturday with a geostationary navigation satellite, but a problem inside the launcher’s propulsion system prompted officials to postpone the mission.

H-2A

Live coverage: H-2A rocket blasts off with navigation satellite

August 11, 2017 Stephen Clark

Japan’s third navigation satellite rode an H-2A rocket into orbit Saturday from the Tanegashima Space Center in southern Japan, one week after officials aborted a countdown to resolve a helium leak in the vehicle’s first stage. Liftoff occurred at 0529 GMT (1:29 a.m. EDT) Saturday.

H-2A

Poor weather forecast delays launch of Japanese navigation satellite

August 9, 2017 Stephen Clark

The Japanese space agency said Wednesday the launch of an H-2A rocket with the country’s third navigation satellite was preemptively delayed at least 24 hours to Saturday to avoid thunderstorms with lightning in the forecast later this week.

H-2A

Japanese navigation craft successfully delivered to orbit

June 1, 2017 Stephen Clark

Japan deployed the first of three navigation satellites it intends to launch in the next year Thursday, sending a 4.4-ton spacecraft on the way to an high-altitude orbital perch on top of an H-2A rocket to improve positioning data for drivers, hikers and government agencies in East Asia.

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News Headlines

  • Rocket Lab launches 4 novel DiskSat satellites for U.S. Space Force, NASA
    December 18, 2025
  • Senate confirms Jared Isaacman as 15th NASA Administrator
    December 18, 2025
  • SpaceX flies Starlink mission using Falcon 9 booster flying for a 30th time
    December 17, 2025
  • SpaceX launches Wednesday morning Starlink mission from Kennedy Space Center
    December 16, 2025
  • Rocket Lab Electron rocket aborts liftoff at engine ignition
    December 15, 2025
  • ULA Atlas 5 launch puts Amazon’s 180th broadband satellite in low Earth orbit
    December 15, 2025
  • Falcon 9 launch of 29 Starlink satellites from the Kennedy Space Center delayed to Wednesday
    December 14, 2025
  • SpaceX launches 100th Falcon 9 rocket from Florida in 2025
    December 14, 2025
  • SpaceX completes 550th booster landing amid Saturday night Falcon 9 flight
    December 13, 2025
  • Blue Origin halfway through 4-flight certification to allow launch of national security missions
    December 13, 2025
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